SCH7864_4CORRELATION APPLICATION AND INTERPRETATION

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Correlations

DAA Section 2: Testing Assumptions

Open grades.sav in SPSS.

On the Analyze menu, point to Descriptive Statistics and select Descriptives…

Select quiz1. Select the arrow to move quiz1 to the Variables box.

Select gpa. Select the arrow to move gpa to the Variables box.

Select total. Select the arrow to move total to the Variables box.

Select final. Select the arrow to move final to the Variables box.

Select Options…

Select Kurtosis and Skewness. Select Continue.

Press OK.

Copy and paste the table into DAA Section 2.

Below the output, discuss the skewness and kurtosis values and how you determined whether the assumption of normality was met or violated.

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DAA Section 3: Intercorrelation Matrix

On the Analyze menu, scroll down to Correlate and select Bivariate…

Select quiz1. Select the arrow to move quiz1 to the Variables box.

Select gpa. Select the arrow to move gpa to the Variables box.

Select total. Select the arrow to move total to the Variables box.

Select final. Select the arrow to move final to the Variables box.

Press OK.

Copy and paste the intercorrelation matrix into DAA Section 3.

Below the output, first report the total-final correlation including degrees of freedom, correlation coefficient, and p value. Specify whether or not to reject the null hypothesis for this correlation. Second, report the gpa-quiz1 correlation including degrees of freedom, correlation coefficient, and p value. Specify whether or not to reject the null hypothesis

DAA Sections 2 and 3 should look like the next page.

Testing Assumptions

Interpret the skewness and kurtosis values and how you determined whether the assumption of normality was met or violated.

Results & Interpretation

Below the output, first report the total-final correlation including degrees of freedom, correlation coefficient, and p value. Specify whether or not to reject the null hypothesis for this correlation. Second, report the gpa-quiz1 correlation including degrees of freedom, correlation coefficient, and p value. Specify whether or not to reject the null hypothesis for this correlation.

SCREENSHOTS TAKEN FROM SPSS (PC) VERSION 28.

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