Question: This weeks assignment is on ANOVA. You will analyze the following variables in the grades.sav data set: SPSS Variable Definition Section Class section Quiz3 Quiz
This weeks assignment is on ANOVA. You will analyze the following variables in the grades.sav data set:
| SPSS Variable | Definition |
|---|---|
| Section | Class section |
| Quiz3 | Quiz 3: number of correct answers |
Step 1: Write Section 1 of the DAA: The Data Analysis Plan
- Name the variables used in this analysis and whether they are categorical or continuous.
- State a research question, null hypothesis, and alternate hypothesis for the analysis of variance (ANOVA).
Step 2: Write Section 2 of the DAA: Testing Assumptions
Test for one of the assumptions of ANOVA normality. (data shown below)
- Create SPSS output showing the Shapiro-Wilk test of normality. Run the Shapiro-Wilk test on the dependent variable test for the entire sample. Do not split the data up by gender before running the normality test.
- Paste the table in the DAA.
- Interpret the Shapiro-Wilk test and how you determined whether the assumption of normality was met or violated.
Tests of Normality Kolmogorov-Smirnova Shapiro-Wilk Statistic df Sig. Statistic df Sig. final .072 105 .200* .977 105 .063 * This is a lower bound of the true significance. a Lilliefors Significance Correction
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