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Author Question: Independent random samples selected from two normal populations produced the following sample means ... (Read 106 times)

Lisaclaire

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on: Feb 14, 2020

Question 1

In order to compare the means of two populations, independent random samples of 144 observations are selected from each population with the following results.

Sample 1Sample 2
1 = 7,1232 = 6,957
s1 = 175s2 = 225

Use a 95% confidence interval to estimate the difference between the population means Interpret the confidence interval.

Question 2

Independent random samples selected from two normal populations produced the following sample means and standard deviations.

Sample 1Sample 2
n1 = 14n2 = 11
1 = 7.12 = 8.4
s1 = 2.3s2 = 2.9

Find and interpret the 95% confidence interval for
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
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Marked as best answer by Lisaclaire on Feb 14, 2020

josephsuarez

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Reply #1 on: Feb 14, 2020
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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Lisaclaire

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Reply 2 on: Feb 14, 2020
Wow, this really help

isabelt_18

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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