Data Analysis and Application (DAA) Template

You will analyze the following variables in the grades.savdata set:

• gender,gpa.

Step 1: Write Section 1 of the DAA

• Provide a context of the grades.sav data set.
• Include a definition of the specified variables (predictor, outcome) and corresponding scales of measurement.
• Specify the sample size of the data set.

Step 2: Write Section 2 of the DAA

• Analyze the assumptions of thettest.
• Paste the SPSS histogram output for gpa and discuss your visual interpretations.
• Paste SPSS descriptives output showing skewness and kurtosis values for gpa and interpret them.
• Paste SPSS output for the Shapiro-Wilk test of gpa and interpret it.
• Report the results of the Levene test and interpret it.
• Summarize whether or not the assumptions of thettest are met.

Step 3: Write Section 3 of the DAA

• Specify a research question related to gender and gpa.
• Articulate the null hypothesis and alternative hypothesis.
• Specify the alpha level.

Step 4: Write Section 4 of the DAA

• Paste the SPSS output of thettest.
• Report the results of the SPSS output using proper APA guidelines (refer to the Unit 8 Introduction and the "Results" example of the Warner text in Chapter 5).
  • Include:
    • t.
    • Degrees of freedom.
    • tvalue.
    • pvalue.
    • Effect size.
    • Interpretation of effect size.
    • Means and standard deviations for each group.
    • Mean difference.
    • 95% confidence interval of the difference of sample means.
• Interpret the results against the null hypothesis.

Step 5: Write Section 5 of the DAA

• Discuss the implications of thisttest as it relates to the research question.
• Conclude with an analysis of the strengths and limitations ofttest analysis.