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Author Question: A confidence interval for (1 - 2) is (-5, 8). Which of the following inferences is correct? (Read 74 times)

mynx

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on: Feb 14, 2020

Question 1

Independent random samples of 100 observations each are chosen from two normal populations with the following means and standard deviations.

Population 1Population 2
μ1 = 15μ2 = 13
σ1 = 3σ2 = 2

Find the mean and standard deviation of the sampling distribution of

Question 2

A confidence interval for (μ1 - μ2) is (-5, 8). Which of the following inferences is correct?
◦ no significant difference between means
◦ μ1 < μ2
◦ μ1 > μ2
◦ μ1 = μ2
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
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Marked as best answer by mynx on Feb 14, 2020

atrochim

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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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mynx

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Reply 2 on: Feb 14, 2020
Excellent

coreycathey

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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