Question 2

Question 2

Question 112 Points

Question 1

Use the datafile "Ch2_Final.xlsx". This large data set contains the final grades for two introductory Statistics classes.

Do a pair of histograms using the same scale and y-value labels. Be sure to include appropriate labels (title, axis labels, and a footnote with your name and section).

Save the graph as "Fig1a.png" and "Fig1b.png" files in your preferred local folder.

Use "Fig1a.png" and "Fig1b.png" to answer the following question.

Which of the following statements are true?

Option A

Minimum grade for "Class 1" is lower than the minimum grade for "Class 2".

Option B

Frequency of students within score range 80-90 is higher for "Class 1" than that for "Class 2".

Option C

Both the histograms for "Class 1" and "Class 2" are roughly "Bell Shaped"

Option D

None of the above.