Tag: Mathematics

  • [Solved] 5015discwk3…Can this be done in 2 hours? 50 WORDS?

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    [>Statistics homework help](https://www.sweetstudy.com/fields/mathematics-statistics) For this discussion, post something to the discussion board related to program theory and logic models or your Week 3 readings. Here are some ideas to get you started: – What is the difference between a theory of c…

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    [>Statistics homework help](https://www.sweetstudy.com/fields/mathematics-statistics)

    For this discussion, post something to the discussion board related to program theory and logic models or your Week 3 readings.

    Here are some ideas to get you started:

    – What is the difference between a theory of change model and a program logic model? How do they relate to each other?
    – Create a logic model of a social work program. It could be one from your own work or internship experience, a program at which you are interested in working or interning in the future, or one described in an academic journal.
    – Do you have experience related to any of the nine strategies listed in Chapter 10 of your text, “Preparing for an Evaluation”? How does your experience relate to what you read?
    – Share something from the readings that resonated with you. Discuss your experiences with this concept or how you can use this information in the future.

    – 2 years ago

  • [Solved] THIS IS STATISTICS IN THE FORM OF A REPORT

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    [>Statistics homework help](https://www.sweetstudy.com/fields/mathematics-statistics) NO AI PLEASE PROVIDE AI AND FLAG REPORTS. NEED COMPLETED BY SUNDAY MIDNIGHT 1/26 THE DATA HAS BEEN ATTACHED AS WELL AS INFORMATION FROM THE BOOK PAGES Complete Session 2 Case Study: 8.2 Tasks 1, 2, 3, 4 and 5 from …

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    [>Statistics homework help](https://www.sweetstudy.com/fields/mathematics-statistics)

    NO AI PLEASE PROVIDE AI AND FLAG REPORTS. NEED COMPLETED BY SUNDAY MIDNIGHT 1/26

    THE DATA HAS BEEN ATTACHED AS WELL AS INFORMATION FROM THE BOOK PAGES

    Complete Session 2 Case Study: 8.2 Tasks 1, 2, 3, 4 and 5 from the textbook. Write a short report.

    Submit a Word document formatted in APA style complete with cover and reference pages.  The reference page must have at least one entry:  the textbook.

    The submission must be a form Research Report with the following parts:

    1. **Background information about the case:**  The section must provide information about the people, places, operations, business, etc. and the research question or practical business challenges for which the current research will be used to provide a solution .  This section need not be long; up to two well written paragraphs are usually sufficient.
    2. **Descriptive Statistics and Data illustration:**  In this section, the submission must summarize how the data was obtained (see chapter 1 of the text). Graphs and charts illustrating the main features of the data are also required – please see chapter 2 of the textbook.   Finally, a table of descriptive statistics accompanied by  description and explanations of the main features of the data are also required.
    3. **Statistical Method:** This part of the submission must explain the main statistical method(s) used in the case.   What is the theory behind it? What are the working hypotheses (null and alternative, etc.), what main measures, statistics, or parameters etc.,  are to be estimated or calculated using the method; how does it measures or calculates these measures, statistics, or parameters?  Finally, this section must describe how the results of the statistical method are interpreted. That is, what is it about the results that would indicate that the working hypotheses or research questions are confirmed or rejected or perhaps need to be modified and tested again?
    4. **Results:**  The actual results of the statistical method applied to the data are now presented in this section.  The section requires the student to describe the results and their theoretical interpretation based on the description of the method described in the previous section.
    5. **Conclusion and Recommendation:**  This section restates the statistical results and applies it to the business situation in the case.  It also makes practical recommendations about what steps the business in the case can take going forward based on the results of the statistical analysis.  The application and recommendation can take one or more of these general forms.

    1. The statistical results of the data analysis provided an answer(s) to the issues that the business is facing.  As a result specific policies or practical steps can be implemented in the business.
    2.  The statistical results of the data analysis provided only partial answers.  More research and tests need to be done to come up with a more useful answers for the business situation.
    3. The statistical results did not provide any useful information for the challenges that a business(s) is facing.  Recommendations for conducting new research with new approaches, data, variables, etc. may be required.
    4. Note:  there is always room for 'further research' since it is impossible for a single research case to answer every possible question.

    Note

    1. The textbook provides narratives, questions, or actual steps/questions for each case study.  While these are useful for conducting actual research, the submission must take the form of a research report and follow the above pattern.
    2. Hint:  Use Excel 'Descriptive Statistics' routine to obtain descriptive statistics for this case.  Follow the Excel guides which have been provided in the textbook.
    3. Note:  The data for the assignment is not available among the list of data sets in the current edition of StatCrunch.  The data can be [accessed as Excel text file](https://swu.instructure.com/courses/4178430/files/302833061?wrap=1).

    Groebner, D. F., Shannon, P. W. & Fry, P. C. (2019). Business statistics: A decision making approach. (11th Ed.). Upper Saddle River, NJ, Pearson.

    ISBN13: 9780137835423EDITION: 11TH   this is the book. please let me know if additional assistance is needed

    – [\
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    FAAtxt.xlsx](https://www.sweetstudy.com/files/faatxt-xlsx "FAAtxt.xlsx")
    – [\
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    Screenshot2025-01-24132528.png](https://www.sweetstudy.com/files/screenshot2025-01-24132528-png "Screenshot2025-01-24132528.png")
    – [\
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    Screenshot2025-01-24132513.png](https://www.sweetstudy.com/files/screenshot2025-01-24132513-png "Screenshot2025-01-24132513.png")

    – 2 years ago

  • [Solved] Math Help

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    [>Precalculus homework help](https://www.sweetstudy.com/fields/mathematics-precalculus) Need more guidance with my College math course it consist of in-depth treatment of solving equations and inequalities; function properties and graphs; inverse functions; linear, quadratic, polynomial, rational, e…

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    [>Precalculus homework help](https://www.sweetstudy.com/fields/mathematics-precalculus)

    Need more guidance with my College math course it consist of in-depth treatment of solving equations and inequalities; function properties and graphs; inverse functions; linear,

    quadratic, polynomial, rational, exponential and logarithmic functions with applications; systems of equations. I feel like I'm starting from 0 knowledge lol.

    The course does not end until April!!

    – 2 years ago

  • [Solved] data from a survey of university graduates which assessed, among other things, how frequently they exercised. The survey was completed by 470 graduates.

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    [>Statistics homework help](https://www.sweetstudy.com/fields/mathematics-statistics) In a prior example we evaluated data from a survey of university graduates which assessed, among other things, how frequently they exercised. The survey was completed by 470 graduates. In the prior example we used …

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    [>Statistics homework help](https://www.sweetstudy.com/fields/mathematics-statistics)

    In a prior example we evaluated data from a survey of university graduates which assessed, among other things, how frequently they exercised. The survey was completed by 470 graduates. In the prior example we used the χ2 goodness-of-fit test to assess whether there was a shift in the distribution of responses to the exercise question following the implementation of a health promotion campaign on campus. We specifically considered one sample (all students) and compared the observed distribution to the distribution of responses the prior year (a historical control). Suppose we now wish to assess whether there is a relationship between exercise on campus and students' living arrangements. As part of the same survey, graduates were asked where they lived their senior year. The response options were dormitory, on-campus apartment, off-campus apartment, and at home (i.e., commuted to and from the university). The data are shown below.

    **No Regular Exercise**

    **Sporadic Exercise**

    **Regular Exercise**

    **Total**

    **Dormitory**

    32

    30

    28

    90

    **On-Campus Apartment**

    74

    64

    42

    180

    **Off-Campus Apartment**

    110

    25

    15

    150

    **At Home**

    39

    6

    5

    50

    **Total**

    255

    125

    90

    470

    Based on the data, is there a relationship between exercise and a student's living arrangement? Do you think where a person lives affect their exercise status? Here we have four independent comparison groups (living arrangement) and a discrete (ordinal) outcome variable with three response options. We specifically want to test whether living arrangements and exercise are independent.

    **Submission Instructions:**

    – Submit your assignment by 11:59 pm on Sunday.
    – It should include at least 2 academic sources, formatted and cited in APA.

    – [\
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    module6asigment2biostadistic.HEIC](https://www.sweetstudy.com/files/module6asigment2biostadistic-heic "module6asigment2biostadistic.HEIC")

    – 2 years ago

  • [Solved] in the following graphs, determine if the age and height would be considered normal or not normal distribution.

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    [>Statistics homework help](https://www.sweetstudy.com/fields/mathematics-statistics) Descriptive Statistics AGE HIGH Valid 69 69 Mean 45.928 1.689 Std. Deviation 9.753 0.068 Minimum 27.000 1.570 Maximum 71.000 1.93 – [\ \ IMG_0352.HEIC](https://www.sweetstudy.com/files/img-0352-heic "IMG_0352.HE…

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    [>Statistics homework help](https://www.sweetstudy.com/fields/mathematics-statistics)

    Descriptive Statistics

    AGE

    HIGH

    Valid

    69

    69

    Mean

    45.928

    1.689

    Std.

    Deviation

    9.753

    0.068

    Minimum

    27.000

    1.570

    Maximum

    71.000

    1.93

    – [\
    \
    IMG_0352.HEIC](https://www.sweetstudy.com/files/img-0352-heic "IMG_0352.HEIC")
    – [\
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    IMG_0353.HEIC](https://www.sweetstudy.com/files/img-0353-heic "IMG_0353.HEIC")
    – [\
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    IMG_0354.HEIC](https://www.sweetstudy.com/files/img-0354-heic "IMG_0354.HEIC")
    – [\
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    IMG_0355.HEIC](https://www.sweetstudy.com/files/img-0355-heic "IMG_0355.HEIC")
    – [\
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    IMG_0356.HEIC](https://www.sweetstudy.com/files/img-0356-heic "IMG_0356.HEIC")

    – 2 years ago

  • [Solved] Here’s an example where the Poisson distribution was used in a maternity hospital to work out how many births would be expected during the night.

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    [>Statistics homework help](https://www.sweetstudy.com/fields/mathematics-statistics) Here’s an example where the Poisson distribution was used in a maternity hospital to work out how many births would be expected during the night. The hospital had 3000 deliveries each year, so if these happened ran…

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    [>Statistics homework help](https://www.sweetstudy.com/fields/mathematics-statistics)

    Here’s an example where the Poisson distribution was used in a maternity hospital to work out how many births would be expected during the night.

    The hospital had 3000 deliveries each year, so if these happened randomly around the clock 1000 deliveries would be expected between the hours of midnight and 8.00 a.m. This is the time when many staff is off duty and it is important to ensure that there will be enough people to cope with the workload on any particular night.

    The average number of deliveries per night is 1000/365, which is 2.74. From this average rate, the probability of delivering 0, 1, 2, etc babies each night can be calculated using the Poisson distribution. Some probabilities are:

    P(0) 2.740 e-2.74 / 0! = 0.065

    P(1) 2.741 e-2.74 / 1! = 0.177

    P(2) 2.742 e-2.74 / 2! = 0.242

    P(3) 2.743 e-2.74 / 3! = 0.221

    (i) On how many days in the year would 5 or more deliveries be expected?

    (ii) Over the course of one year; what is the greatest number of deliveries expected on any night?

    (iii) Why might the pattern of deliveries not follow a Poisson distribution?

    Note: In this real-life example, deliveries in fact followed the Poisson distribution very closely, and the hospital was able to predict the workload accurately.

    **Submission Instructions:**

    – Submit your assignment by 11:59 pm on Sunday.
    – It should include at least 2 academic sources, formatted and cited in APA.

    – [\
    \
    IMG_0351.HEIC](https://www.sweetstudy.com/files/img-0351-heic "IMG_0351.HEIC")

    – 2 years ago

  • [Solved] Using the below dataset calculate in Excel; R2 and p-value to determine the power of association and if your calculations are statistically significant.

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    [>Statistics homework help](https://www.sweetstudy.com/fields/mathematics-statistics) Using the below dataset calculate in Excel; R2 and p-value to determine the power of association and if your calculations are statistically significant. V1 (Input Y Range) (Dependent Variable) V2 (Input X Range) (I…

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    [>Statistics homework help](https://www.sweetstudy.com/fields/mathematics-statistics)

    Using the below dataset calculate in Excel; R2 and p-value to determine the power of association and if your calculations are statistically significant.

    V1 (Input Y Range) (Dependent Variable)

    V2 (Input X Range) (Independent Variable)

    12

    45

    15

    54

    17

    61

    13

    51

    18

    70

    20

    73

    22

    71

    18

    66

    25

    106

    _Hint:_ Excel Data Analysis; Regression.

    **Submission Instructions:**

    – Submit your assignment by 11:59 pm ET on Sunday.
    – It should include at least 2 academic sources, formatted and cited in APA.

    – [\
    \
    module7asig1biostat.HEIC](https://www.sweetstudy.com/files/module7asig1biostat-heic "module7asig1biostat.HEIC")

    – 2 years ago

  • [Solved] Using the accompanying dataset import it into SPSS and produced the following tables:

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    [>Statistics homework help](https://www.sweetstudy.com/fields/mathematics-statistics) **Instructions:** Using the accompanying dataset import it into SPSS and produced the following tables: Descriptives and the test for homogeneity of variance and the Tukey post hoc test. [Final project dataset](htt…

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    [>Statistics homework help](https://www.sweetstudy.com/fields/mathematics-statistics)

    **Instructions:**

    Using the accompanying dataset import it into SPSS and produced the following tables:

    Descriptives and the test for homogeneity of variance and the Tukey post hoc test.

    [Final project dataset](https://agmu.instructure.com/courses/34986/files/8803022?wrap=1 "HESC_700_M8_Final Project Dataset.xls") [Download Final project dataset](https://agmu.instructure.com/courses/34986/files/8803022/download?download_frd=1)

    **Submission Instructions:**

    – Submit your assignment by 11:59 pm ET on Saturday.
    – Attach your SPSS readout.

    – [\
    \
    module8asigm1finalproyect.HEIC](https://www.sweetstudy.com/files/module8asigm1finalproyect-heic "module8asigm1finalproyect.HEIC")
    – [\
    \
    HESC_700_M8_FinalProjectDataset.xls](https://www.sweetstudy.com/files/hesc-700-m8-finalprojectdataset-xls "HESC_700_M8_FinalProjectDataset.xls")

    – 2 years ago

  • [Solved] The Mann-Whitney U Test is a nonparametric version

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    [>Statistics homework help](https://www.sweetstudy.com/fields/mathematics-statistics) The Mann-Whitney U Test is a nonparametric version of the independent samples t-test. The test primarily deals with two independent samples that contain ordinal data. The following example explained the comparison …

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    [>Statistics homework help](https://www.sweetstudy.com/fields/mathematics-statistics)

    The Mann-Whitney U Test is a nonparametric version of the independent samples t-test. The test primarily deals with two independent samples that contain ordinal data. The following example explained the comparison between the nonparametric versus parametric tests.

    1. Select the best choice for the analysis and explain the reason.
    2. Review Module 4, if needed.
    3. Remember the importance of the p-value.

    **Results S.S. Bayesian Independent Samples T-Test**

    **Descriptive Statistics**

    **Independent Samples T-Test**

    **Independent Samples T-Test**

    **Test**

    **Statistic**

    **df**

    **p**

    WBC

    Student

    0.318

    137

    0.751

    Mann-Whitney

    2339.000

    0.750

    **Assumption Checks**

    **Test of Normality (Shapiro-Wilk)**

    **W**

    **p**

    WBC

    0

    0.394

    < .001

    1

    0.800

    < .001

    _Note._ Significant results suggest a deviation from normality.

    **Descriptives**

    **Group Descriptives**

    **Group**

    **N**

    **Mean**

    **SD**

    **SE**

    WBC

    0

    70

    8.539

    9.384

    1.122

    1

    69

    8.142

    4.405

    0.530

    _Hint:_ Visual determination.

    **Submission Instructions:**

    – Submit your assignment by 11:59 pm ET on Sunday.
    – It should include at least 3 academic sources, formatted and cited in APA.

    – [\
    \
    module7asigm2biosta.HEIC](https://www.sweetstudy.com/files/module7asigm2biosta-heic "module7asigm2biosta.HEIC")
    – [\
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    – 2 years ago

  • [Solved] Read the information below to write a conclusion based on a 95% Confidence Interval for the following randomized trial.

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    [>Statistics homework help](https://www.sweetstudy.com/fields/mathematics-statistics) A randomized trial is designed to evaluate the effectiveness of a newly developed pain reliever designed to reduce pain in patients following joint replacement surgery. The trial compares the new pain reliever to t…

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    [>Statistics homework help](https://www.sweetstudy.com/fields/mathematics-statistics)

    A randomized trial is designed to evaluate the effectiveness of a newly developed pain reliever designed to reduce pain in patients following joint replacement surgery. The trial compares the new pain reliever to the pain reliever currently in use (called the standard of care). A total of 100 patients undergoing joint replacement surgery agreed to participate in the trial. Patients were randomly assigned to receive either the new pain reliever or the standard pain reliever following surgery and were blind to the treatment assignment. Before receiving the assigned treatment, patients were asked to rate their pain on a scale of 0-10 with higher scores indicative of more pain. Each patient was then given the assigned treatment and after 30 minutes was again asked to rate their pain on the same scale. The primary outcome was a reduction in pain of 3 or more scale points (defined by clinicians as a clinically meaningful reduction). The following data were observed in the trial.

    **Treatment Group**

    **n**

    **Number with Reduction**

    **of 3+ Points**

    **Proportion with Reduction**

    **of 3+ Points**

    New Pain Reliever

    50

    23

    0.46

    Standard Pain Reliever

    50

    11

    0.22

    _Hint 1: Tests with Two Independent Samples, Dichotomous Outcome._

    _Hint 2: Remember the Confidence Interval z score table._

    – Contribute a minimum of (1) page listing the hypotheses, test statistic used, standard z score, and your conclusion based on your calculations.

    **Submission Instructions:**

    – Submit your assignment by 11:59 pm on Sunday.
    – It should include at least 2 academic sources, formatted and cited in APA.

    – [\
    \
    modue6biostaticsassigment1.heic](https://www.sweetstudy.com/files/modue6biostaticsassigment1-heic "modue6biostaticsassigment1.heic")

    – 2 years ago