A survey asked eight students about weekly reading hours and whether they play musical instruments. The table shows the results of the survey. Weekly Reading Hours

Hours of Reading if Student Plays an Instrument
Hours of Reading if Student Does Not Play an Instrument
Student 1
16

Student 2
18

Student 3
15

Student 4
15

Student 5

2
Student 6

2
Student 7

4
Student 8

8

Which statements about the data sets are true? Check all that apply.
The data for the group that plays an instrument are more spread out than the data for the group that did not play an instrument.
The data for the group that plays an instrument are more clustered around the mean than the data for the group that did not play an instrument.
The mean absolute deviation for students who play an instrument is 1.
The data for the group that does not play an instrument are more spread out than the data for the group that does play an instrument
The mean absolute deviation for the group of students who do not play an instrument is 2.
The data for the group that does not play an instrument are more clustered around the mean than the data for the group that does play an instrument. Which data set is the most clustered around its mean?
10, 30, 40, 20
12, 14, 36, 38
8, 42, 30, 30
30, 25, 15, 30