Determine the measurement levels of each variable

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Reference no: EM132301798

Assignment - Testing to Find Relationships between Two Variables

Overview - There are three main statistical families of techniques that are commonly used to examine the relationship or association between variables. The chi-square family looks at the relationship strength of categorical variables, whereas the correlation family looks at the strength of linear relationship of interval/ratio variables-but some tests in this family can also examine other measurement-level combinations.

The regression family goes one step further than the previous tests by assessing the relative strength of one or more variables in predicting the change in another variable. Before committing to any particular test, you must clarify the nature of the relationship you are interested in, determine how many variables are involved, and determine the measurement levels of each variable.

Preparation - You are encouraged to review the chi-square, correlation, and regression materials from other sources then, review How to Choose a Statistical Test and the test-search others linked of Resources to determine which test is most likely to be appropriate for your data type. Instructions Using SPSS and the Framingham study data set perform and interpret statistical tests that answer the following research questions. Then, provide a written analysis of your results.

At baseline, was there a significant association between gender (variable: sex1) and smoking status (variable: cursmoke1)?
At baseline, how much variation in participant cholesterol levels (variable: totchol1) could be explained by the variation in an individual's BMI (variable: bmi1)?

Be sure that your statistical analysis addresses each point, at a minimum.

Perform the appropriate statistical tests (based on the assumption test). Provide your rationale for test selection.
Interpret the results of your statistical tests (chi-square, correlation, and regression) for each research question. Consider associated caveats and limitations.
Determine the practical, public health-related implications of your statistical tests (chi-square, correlation, and regression). What evidence do you have that validates your conclusions?
Write clearly and concisely, using correct grammar, mechanics, and APA formatting. Write for an academic audience, using appropriate statistical terminology, style, and form. Express your main points and conclusions coherently. Proofread your writing to minimize errors that could distract readers and make it more difficult for them to focus on the substance of your statistical analysis.

Attachment:- Assignment Files.rar

Reference no: EM132301798

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Determine the measurement levels of each variable : Assignment - Testing to Find Relationships between Two Variables - Determine the measurement levels of each variable

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len2301798

5/8/2019 10:33:29 PM

Written Analysis Format and Length - Format your analysis using APA style. Your analysis should be 2 pages in length, not including the title page and references page. THREE REFERENCES ABOVE Note: The requirements outlined below correspond to the grading criteria the scoring guide. Be sure that your statistical analysis addresses each point, at a minimum. You may also want to read the scoring guide to better understand how each criterion will be assessed.

len2301798

5/8/2019 10:33:23 PM

Submission Instructions Submit appropriately labeled SPSS results output files (.spv), along with your written analysis. Include the test results and associated graphic in your written analysis (copied from the output file and pasted into a Word document). Refer to How to Copy SPSS Output and Paste It into a Word Document, linked in the Resources.

len2301798

5/8/2019 10:33:18 PM

Testing to Find Relationships Between Two Variables Scoring Guide - Perform appropriate statistical tests on a data set for each research question. 35% - Performs appropriate statistical tests on a data set for each research question. Provides concise, logical reasoning for the selected tests. Interpret statistical test results for each research question. 25% - Interprets statistical test results for each research question, and provides a perceptive and clearly articulated assessment of caveats and limitations.

len2301798

5/8/2019 10:33:13 PM

Determine the practical, public health-related implications of statistical tests. 25% - Determines the practical, public health-related implications of statistical tests. Draws valid, fully justified conclusions, well-supported by the scholarly literature. Write clearly and concisely, using correct grammar, mechanics, and APA formatting. 15% - Writes clearly and concisely. Grammar, mechanics, and APA formatting are error-free.

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