Question

You are testing the claim that the mean GPA of night students is different from the mean GPA of day students. A sample of 23 night students and 22 day students and their GPA's are recorded below. Test the claim using a 1% level of significance. Assume the population variances are unequal and that GPAs are normally distributed. Give answers to 4 decimal places. GPA-Night 3.12 3.61 3.87 3.41 3.35 3.53 3.12 3.5 3.53 3.33 2.51 3.17 2.8 3.11 3.21 3.17 3.23 2.99 3.41 3.36 3.55 3.25 3.18 GPA-Day 3.28 2.89 2.76 3.22 2.93 2.99 3.43 2.83 2.63 3.23 3.24 3.21 3.02 2.74 2.73 2.29 3.07 2.72 2.98 3.62 2.24 2.82 What are the correct hypotheses? Note this may view better in full screen mode. Select the correct symbols in the order they appear in the problem. H0: Select an answer ? Select an answer H1: Select an answer ? Select an answer Based on the hypotheses, find the following: Test Statistic= p-value= The correct decision is to Select an answer . The correct summary would be: Select an answer that the mean GPA of night students is different from the mean GPA of day students.

          You are testing the claim that the mean GPA of night students is different from the mean GPA of day students. A sample of 23 night students and 22 day students and their GPA's are recorded below. Test the claim using a 1% level of significance. Assume the population variances are unequal and that GPAs are normally distributed. Give answers to 4 decimal places.

GPA-Night
3.12
3.61
3.87
3.41
3.35
3.53
3.12
3.5
3.53
3.33
2.51
3.17
2.8
3.11
3.21
3.17
3.23
2.99
3.41
3.36
3.55
3.25
3.18

GPA-Day
3.28
2.89
2.76
3.22
2.93
2.99
3.43
2.83
2.63
3.23
3.24
3.21
3.02
2.74
2.73
2.29
3.07
2.72
2.98
3.62
2.24
2.82

What are the correct hypotheses? Note this may view better in full screen mode. Select the correct symbols in the order they appear in the problem.

H0: Select an answer ? Select an answer
H1: Select an answer ? Select an answer

Based on the hypotheses, find the following:

Test Statistic=
p-value=

The correct decision is to Select an answer .

The correct summary would be: Select an answer that the mean GPA of night students is different from the mean GPA of day students.

You are testing the claim that the mean GPA of night students is different from the mean GPA of day students. A sample of 23 night students and 22 day students and their GPA's are recorded below. Test the claim using a 1% level of significance. Assume the population variances are unequal and that GPAs are normally distributed. Give answers to 4 decimal places.

GPA-Night
3.12
3.61
3.87
3.41
3.35
3.53
3.12
3.5
3.53
3.33
2.51
3.17
2.8
3.11
3.21
3.17
3.23
2.99
3.41
3.36
3.55
3.25
3.18

GPA-Day
3.28
2.89
2.76
3.22
2.93
2.99
3.43
2.83
2.63
3.23
3.24
3.21
3.02
2.74
2.73
2.29
3.07
2.72
2.98
3.62
2.24
2.82

What are the correct hypotheses? Note this may view better in full screen mode. Select the correct symbols in the order they appear in the problem.

H0: Select an answer ? Select an answer
H1: Select an answer ? Select an answer

Based on the hypotheses, find the following:

Test Statistic=
p-value=

The correct decision is to Select an answer .

The correct summary would be: Select an answer that the mean GPA of night students is different from the mean GPA of day students.

Added by Virginia L.

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