16. Ages of College Students The dean of students wants to see whether there is a significant difference in ages of resident students and commuting students. She selects a sample of 50 students from each group. The ages are shown here. At a = 0.05, decide if there is enough evidence to reject the claim of no difference in the ages of the two groups. Use the P-value method. Assume o = 3.68 and o, = 4.7. %3D Resident students 22 25 27 23 26 28 26 24 25 20 26 24 27 26 18 19 18 30 26 18 18 19 32 23 19 19 18 29 19 22 18 22 26 19 19 21 23 18 20 18 22 21 19 21 21 22 18 20 19 23 Commuter students 18 20 19 18 22 25 24 35 23 18 23 22 28 25 20 24 20 21 18 19 22 30 26 35 19 23 21 19 26 22 22 19 19 18 32 29 36 27 27 20 20 21 18 19 23 20 19 19 20 25

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16. Ages of College Students The dean of students
wants to see whether there is a significant difference in
ages of resident students and commuting students. She
selects a sample of 50 students from each group. The ages
are shown here. At a = 0.05, decide if there is enough
evidence to reject the claim of no difference in the ages
of the two groups. Use the P-value method. Assume
0 = 3.68 and o, = 4.7.
Resident students
26
24
23
24
22
25
27
26
28
19
23
22
25
20
26
27
26
18
18
30
26
18
18
19
32
18
29
21
19
19
18
19
22
18
20
26
19
19
23
18
20
22
21
19
21
21
22
18
19
23
Commuter students
18
20
19
18
22
25
24
35
23
18
23
22
28
25
20
24
18
20
22
19
26
30
22
22
21
19
26
35
19
18
19
32
29
23
21
19
36
27
27
20
20
21
18
19
23
20
19
19
20
25
Transcribed Image Text:16. Ages of College Students The dean of students wants to see whether there is a significant difference in ages of resident students and commuting students. She selects a sample of 50 students from each group. The ages are shown here. At a = 0.05, decide if there is enough evidence to reject the claim of no difference in the ages of the two groups. Use the P-value method. Assume 0 = 3.68 and o, = 4.7. Resident students 26 24 23 24 22 25 27 26 28 19 23 22 25 20 26 27 26 18 18 30 26 18 18 19 32 18 29 21 19 19 18 19 22 18 20 26 19 19 23 18 20 22 21 19 21 21 22 18 19 23 Commuter students 18 20 19 18 22 25 24 35 23 18 23 22 28 25 20 24 18 20 22 19 26 30 22 22 21 19 26 35 19 18 19 32 29 23 21 19 36 27 27 20 20 21 18 19 23 20 19 19 20 25
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