Ages of College Students The dean of students wants to see whether there is a significant difference in the ages of resident students and commuting students. She selects a sample of 50 students from each group. The ages are shown here. At 0.05, decide if there is enough evidence to reject the claim of no difference in the ages of the two groups. Assume equal population variances. (10) 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 26 30 22 22 22 21 18 20 19 26 35 19 19 18 19 32 29 23 21 19 36 27 27 20 20 21 18 19 23 20 19 19 20 25
Ages of College Students The dean of students wants to see whether there is a significant difference in the ages of resident students and commuting students. She selects a sample of 50 students from each group. The ages are shown here. At 0.05, decide if there is enough evidence to reject the claim of no difference in the ages of the two groups. Assume equal population variances. (10)
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 26 30 22 22 22 21 18 20 19 26 35 19 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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