H7864-2 Descriptive Statistics

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Histograms and Descriptive Statistics

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Part 1: Histograms

Download grades.sav from Week 2 Assignment Instructions.

Open grades.sav in SPSS.

On the Graphs menu, scroll down to Legacy Dialogs and select Histogram…

In the Histogram box, select final. Select the arrow to move final to the Variable box.

Select Display normal curve.

Select lowup. Select the arrow to move lowup to the Rows box.

Select OK.

Copy and paste the histogram output into a new Word document. Below the output, briefly describe what a visual inspection of this output tells you about the nature of the curves.

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Part 2: Descriptive Statistics

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

In the Descriptives box, select gpa. Select the arrow to move gpa to the Variables box.

Select quiz3. Select the arrow to move quiz3 to the Variables box.

Select the Options… button.

Select Mean, Standard Deviation, Kurtosis, and Skewness. Select Continue.

Select OK.

Copy and paste the descriptive statistics output into the Word document. Under the table, report the mean, standard deviation, skewness, and kurtosis of gpa and quiz3. Briefly describe what skewness and kurtosis tell you about these data with regard to normality.

Your homework should look like the next page. Upload for grading.

7864 u02a1

Learner Name

Briefly describe what a visual inspection of this output tells you about the nature of the curves.

Report the mean, standard deviation, skewness, and kurtosis for GPA and quiz3. Briefly describe what skewness and kurtosis tell you about these data with regard to normality.

SCREENSHOTS TAKEN FROM SPSS (PC) VERSION 28.

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