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Author Question: A population mean is to be estimated from the sample described. Round your answer to one decimal ... (Read 55 times)

tsand2

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on: Jan 18, 2020

Question 1

A population mean is to be estimated from the sample described. Round your answer to one decimal place if necessary. Assume that all confidence intervals use a 95% confidence level.

Sample size = 256, sample mean = 40, sample standard deviation = 13
What is the 95% confidence interval for the population mean?
◦ 38.4 < μ < 41.6
◦ 8 < μ < 18
◦ 39.2 < μ < 40.8
◦ 39.9 < μ < 40.1

Question 2

A population mean is to be estimated from the sample described. Round your answer to one decimal place if necessary. Assume that all confidence intervals use a 95% confidence level.

Sample size = 2500, sample mean = 223, sample standard deviation = 96
What is the 95% confidence interval for the population mean?
◦ 87.1 < μ < 104.9
◦ 222.9 < μ < 223.1
◦ 219.2 < μ < 226.8
◦ 221.1 < μ < 224.9
Statistical Reasoning for Everyday Life ¦ Bennett, Briggs, Triola ¦ 5th Edition
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Marked as best answer by tsand2 on Jan 18, 2020

duke02

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Reply #1 on: Jan 18, 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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tsand2

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Reply 2 on: Jan 18, 2020
Wow, this really help

mcabuhat

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Reply 3 on: Yesterday
Excellent

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