The Test Scores for a Statistics course are given in the Excel below.
The data (X1, X2, X3, X4) are for each student.
X1 = score on exam #1
X2 = score on exam #2
X3 = score on exam #3
X4 = score on final exam
Your professor wants to know if all tests are created equal.
Looking at the Summary output, which two Exams have the biggest difference in average?
See Attached Excel for Data.
Exam data.xlsx
Question 20 options:
Exam 1 and the Final
Exam 2 and the Final
Exam 3 and Exam 1
Exam 3 and the Final
