## PUB550 Topic 6 DQ 2

PUB550 Topic 6 DQ 2 for \$8 Only

Given the other statistical tests discussed so far, what strengths does linear regression provide that the other tests do not? Identify a peer-reviewed study that uses linear regression in its analysis. Explain why linear regression was used and discuss one challenge in interpreting the results.

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## PUB-550 Topic 5 DQ 1

PUB-550 Topic 5 DQ 1 for \$8 Only

Compare the various types of ANOVA by discussing when each is most appropriate for use and which types of research questions each best answers. Include specific examples to illustrate the appropriate use of each test and how interaction is assessed using ANOVA.

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## PUB550 Week 2 Practicing Application of Descriptive Statistics

PUB550 Week 2 Practicing Application of Descriptive Statistics in Excel and SPSS for \$14 Only

The purpose of this assignment is to compare basic functions in Excel and SPSS to calculate descriptive statistics and use this information to describe the sample.

For this assignment, students will utilize Excel with the Data Analysis ToolPak and SPSS Statistics and the “Example Dataset” to complete the assignment. Refer to the Topic Materials for assistance with enabling the Data Analysis ToolPak on a Mac or PC.

Part 1:

Complete the following steps in both Excel and IBM SPSS Statistics.

## PUB550 Topic 3 DQ 1

PUB550 Topic 3 DQ 1 for \$8 Only

Discuss the four potential outcomes of hypothesis testing and describe what is meant by type 1 and type 2 errors. Provide an example of when these errors might occur.

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## PUB550 Week 5 Application of ANOVA

The purpose of this assignment is to calculate and interpret an ANOVA table. For this assignment, use IBM SPSS Statistics.

Part 1:

Using the “Example Dataset,” assess this statement using ANOVA: “People with different levels of education exercise for different amounts of time during the week.”

Select and conduct the appropriate ANOVA test to assess the statement. Export the ANOVA table to a Word document.

Part 2:

In 250-500 words, discuss the following regarding the use of ANOVA.

1.     Describe when the use of ANOVA is more appropriate than the use of a t-test.

2.     Describe which ANOVA test you used and why.

3.     Interpret the results by (a) stating the reason the study or test was done; (b) presenting the main results, including explaining the within and between subjects variation and the F-ratio from the ANOVA table; (c) explaining what the results mean, including discussing whether there is a statistically significant difference between education groups and amount of exercise; and (d) making suggestions for future research.

General Requirements

Submit one Word document for the Part 1 assignment content and a second Word document for Part 2 of the assignment. Submit both Word documents to the instructor.

APA style is not required, but solid academic writing is expected.

This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.

You are not required to submit this assignment to LopesWrite.

AttachmentsPUB-550-RS-Example Dataset.xlsx

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## PUB550 Topic 5 DQ 2

PUB550 Topic 5 DQ 2 for \$8 Only

Different types of software can be used for data management. Compare Excel and SPSS and discuss specific SPSS software features that make it preferable to Excel for data management. Provide examples illustrating when electing to use SPSS could be preferable to Excel and vice versa.

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## PUB550 Topic 6 DQ 1

PUB550 Topic 6 DQ 1 for \$8 Only

Much of the data that public health professionals have access to includes web tools for analysis or reports that discuss the applied analysis from the data. Given the limited amount of statistical calculations required by some public health positions, explain why it is important for you to know how to utilize appropriate software to perform these tasks. Support your ideas with reasons, facts, and examples.

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## PUB550 Week 6 Application of Multiple Regression

PUB550 Week 6 Application of Multiple Regression for \$11 Only (Instant Download)

The purpose of this assignment is to apply your understanding of simple and multiple linear regression.

For this assignment, use the “Example Dataset” to complete a simple linear regression using SPSS. Select one dependent variable, one primary independent variable, and one potential confounding variable. You will need to recode string variables into numeric variables to use them in the regression analysis. Prepare a Word document that includes all SPSS outputs.

Based on the results, create a second Word document and answer the following questions in 500-750 words.

1.     State your research question and hypotheses.

2.     Run the regression again without the potential confounding variable and discuss the impact on the coefficient of the primary independent variable. Did it change? If so, to what extent did it change? Based on this, do you think the added variable confounds the association between the independent and dependent variables?

3.     Export both regression output tables as part of the Word document containing the SPSS outputs.

4.     Provide your regression equation based on the results of the full regression model.

5.     Interpret the results by (a) stating the reason the study or test was done; (b) presenting the main results, including coefficients on the main independent variable and significance levels; (c) explaining what the results mean; and (d) making suggestions for future research.

Submit both Word documents to the instructor.

APA style is not required, but solid academic writing is expected.

This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.

You are required to submit this assignment to LopesWrite. Refer to the LopesWrite Technical Support articles for assistance.

AttachmentsPUB-550-RS-Example Dataset.xlsx

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## PUB550 Topic 7 DQ 1

PUB550 Topic 7 DQ 1 for \$8 Only

Correlation is a common statistic to measure a general linear relationship between two variables. Explain why correlation does not equal causation. Describe the data characteristics necessary to calculate a Pearson correlation coefficient. Design a study that would apply the Pearson correlation coefficient as an appropriate statistic.

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## PUB550 Topic 7 DQ 2

PUB550 Topic 7 DQ 2 for \$8 Only

Describe the conditions in which a nonparametric test would be a better selection than a parametric test. Illustrate your ideas with a specific example of when you would use each type of test using similar variables for each example.

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## PUB550 Week 7 Application of the Pearson Correlation Coefficient and the Chi-Square Test

PUB550 Week 7 Application of the Pearson Correlation Coefficient and the Chi-Square Test for \$14 Only

The purpose of this assignment is to practice calculating and interpreting the Pearson correlation coefficient and a chi-square test of independence.

For this assignment, complete Problems 13.132 and 15.88 in the textbook. Include your process for conducting the calculations. You can complete the calculations by hand or using Excel or SPSS. If you use Excel or SPSS, copy and paste your output results into a Word document.

When addressing each textbook problem, provide a response for each of the six steps of hypothesis testing listed below.

1.     Pick a test.

2.     Check the assumptions.

3.     List the hypotheses.

4.     Set the decision rule.

5.     Calculate the test statistic.

6.     Interpret the results. (What was done? What was found? What does it mean? What suggestions exist for future research?)

Submit a Word document with your problem answers to each of the six steps. If Excel or SPSS was used to complete the assignment, submit the second Word document containing the screenshots to the instructor.

This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.

You are not required to submit this assignment to LopesWrite.

Price of Answer: Just US\$14 only

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## PUB550 Topic 8 DQ 1

PUB550 Topic 8 DQ 1 for \$8 Only

Reporting public health information requires a clear understanding of the various statistical methods used to draw conclusions. These methods are then communicated within the larger story surrounding the public health issue. Identify a public health report or article and discuss what you would do differently to improve understanding and application if you were the author. Post the permalink to your article or report in the Main Forum.

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## PUB550 Topic 8 DQ 2

PUB550 Topic 8 DQ 2 for \$8 Only

Describe the project you selected for the Topic 8 assignment. Explain why the project is important. Discuss two different forms you could use to share the results. Discuss when each form would be appropriate and how the target audience helps to determine the communication method.

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