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Author Question: Exhibit 10-4The following information was obtained from independent random samples.Assume normally ... (Read 48 times)

warrenjean01

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Question 1

Exhibit 10-4
The following information was obtained from independent random samples.
Assume normally distributed populations with equal variances.

 

Sample 1

Sample 2

Sample Mean

45

42

Sample Variance

85

90

Sample Size

10

12


Refer to Exhibit 10-4. The degrees of freedom for the t-distribution are


22


23


24


19



Question 2

Exhibit 10-4
The following information was obtained from independent random samples.
Assume normally distributed populations with equal variances.

 

Sample 1

Sample 2

Sample Mean

45

42

Sample Variance

85

90

Sample Size

10

12


Refer to Exhibit 10-4. The 95% confidence interval for the difference between the two population means is


-5.372 to 11.372


-5 to 3


-4.86 to 10.86


-2.65 to 8.65



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Marked as best answer by warrenjean01 on Mar 25, 2023

annaelena92

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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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warrenjean01

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Reply 2 on: Mar 25, 2023
Great answer, keep it coming :)


kalskdjl1212

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Reply 3 on: Yesterday
Excellent

 

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