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Author Question: Which of the following will make a confidence interval narrower?I. increase the confidence level.II. ... (Read 250 times)

kodithompson

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on: Aug 30, 2019

Question 1

Baldness and heart attacks A recent medical study observed a higher frequency of heart attacks among a group of bald men than among another group of men who were not bald. Based on a P-value of 0.062 the researchers concluded there was some evidence that male baldness may be a risk factor for predicting heart attacks. Explain in context what their P-value means.

Question 2

Which of the following will make a confidence interval narrower?
I. increase the confidence level.
II. take a larger sample.
III. take a smaller sample.
◦ I only
◦ I and III
◦ I and II
◦ III only
◦ II only
Stats: Modeling the World ¦ Bock, Velleman, De Veaux ¦ 4th Edition
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Marked as best answer by kodithompson on Aug 30, 2019

jamesnevil303

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Reply #1 on: Aug 30, 2019
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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kodithompson

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Reply 2 on: Aug 30, 2019
Excellent

triiciiaa

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Reply 3 on: Yesterday
Wow, this really help

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