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Author Question: The following data represent the scores of a sample of 50 randomly chosen students on a standardized ... (Read 138 times)

ss2343

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on: Feb 14, 2020

Question 1

To help consumers assess the risks they are taking, the Food and Drug Administration (FDA) publishes the amount of nicotine found in all commercial brands of cigarettes. A new cigarette has recently been marketed. The FDA tests on this cigarette yielded a mean nicotine content of 24.5 milligrams and standard deviation of 2.3 milligrams for a sample of cigarettes. Find a 95% confidence interval for μ.

Question 2

The following data represent the scores of a sample of 50 randomly chosen students on a standardized test.

39485563666868697071
71717374767676777879
79797980808283838385
85868688888888898989
90919292939596979799

a.Write a 95% confidence interval for the mean score of all students who took the test.
b. Identify the target parameter and the point estimator.
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
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Marked as best answer by ss2343 on Feb 14, 2020

pangili4

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Reply #1 on: Feb 14, 2020
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ss2343

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

Laurenleakan

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Reply 3 on: Yesterday
Excellent

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