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Author Question: In order to determine whether or not a driver's education course improves the scores on a driving ... (Read 94 times)

dongbo

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on: Mar 25, 2023

In order to determine whether or not a driver's education course improves the scores on a driving exam, a sample of 6 students were given the exam before and after taking the course. The results are shown below.

Let d = Score After - Score Before.

Student

Score
Before the Course

Score
After the Course

1

83

87

2

89

88

3

93

91

4

77

77

5

86

93

6

79

83


a.Compute the test statistic.
b.At 95% confidence using the p-value approach, test to see if taking the course actually increased scores on the driving exam.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
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Marked as best answer by dongbo on Mar 25, 2023

iamkarenvv

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Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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dongbo

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Reply 2 on: Mar 25, 2023
Thanks for the timely response, appreciate it

alexanderhamilton

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Reply 3 on: Yesterday
Excellent

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