An English teacher is trying to determine if the help of an after school tutor helps improve test scores. Class 1 has the help of an after school tutor. Class 2 does not have a tutor. Based on the data is there any reason to believe that Class 1 has an advantage with a tutor?
Identify which is true among the choices.
Group of answer choices
Class 1: Mean = 62.4, Median = 64
Class 2: Mean = 73.5, Median = 74
Class 1 displays more variation than Class 2. As a result, class 1 did not see any advantage with the help of a tutor.
All of the above statements are correct.
