Question

a survey asked eight students about their score on a history test then whether they studied for this test. the table shows the results of the survey ​

Answer 1

You need the survey first

Answer 2

B, D, and E

Explanation:

The mean absolute deviation for the group of students who did not study is 13.5.

The data for the group that did not study are more spread out than the data for the group that studied.

The data for the group that studied are more clustered around the mean than the data for the group that did not study.