1/1 75% 16. Ages of College Students The dean of students wants to see whether there is a significant difference in ages of res- ident students and commuting students. She selects a ran- dom sample of 50 students from each group. The ages are shown here. At a = 0.05, decide if there is enough evi- dence to reject the claim of no difference in the ages of the two groups. Use the P-value method. Assume o = 3.68 and oz = 4.7. Resident students 22 25 18 19 26 22 19 25 20 30 19 19 21 27 26 26 18 19 19 23 24 18 29 21 21 26 27 18 19 23 21 28 26 19 22 18 22 26 18 32 18 20 18 24 19 23 22 18 20 23 Commuter students 18 23 26 19 29 20 20 20 18 30 26 23 21 25 22 25 19 23 22 35 21 18 22 22 19 19 19 24 20 18 19 27 19 35 24 20 28 22 19 36 23 25 21 18 27 20 32 20 18 19

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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 res-
ident students and commuting students. She selects a ran-
dom sample of 50 students from cach group. The ages are
shown here. At a = 0.05, decide if there is enough evi-
dence to reject the claim of no difference in the ages
of the two groups. Use the P-value method. Assume
o = 3.68 and oz = 4.7.
Resident students
27
22
25
18
19
26
22
19
25
20
30
19
19
21
23
26
26
18
19
19
23
24
18
29
21
21
26
27
18
19
23
21
28
26
19
22
18
22
26
18
32
18
20
18
24
19
23
22
18
20
Commuter students
18
23
26
19
29
20
20
20
18
30
26
23
21
25
19
23
22
35
21
18 22
28
22
19
36
23
25
25
21
18
27
20
24
20
18
19
27
19
35
24
20
32
20
19
22
22
19
19
19
18
Transcribed Image Text:1/1 75% 16. Ages of College Students The dean of students wants to see whether there is a significant difference in ages of res- ident students and commuting students. She selects a ran- dom sample of 50 students from cach group. The ages are shown here. At a = 0.05, decide if there is enough evi- dence to reject the claim of no difference in the ages of the two groups. Use the P-value method. Assume o = 3.68 and oz = 4.7. Resident students 27 22 25 18 19 26 22 19 25 20 30 19 19 21 23 26 26 18 19 19 23 24 18 29 21 21 26 27 18 19 23 21 28 26 19 22 18 22 26 18 32 18 20 18 24 19 23 22 18 20 Commuter students 18 23 26 19 29 20 20 20 18 30 26 23 21 25 19 23 22 35 21 18 22 28 22 19 36 23 25 25 21 18 27 20 24 20 18 19 27 19 35 24 20 32 20 19 22 22 19 19 19 18
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