A statistics practitioner took a random sample of 52 observations from a population whose standard deviation is 27 and computed the sample mean to be 102. Note: For each confidence interval, enter your answer in the form (LCL, UCL). You must include the parentheses and the comma between the confidence limits. A. Estimate the population mean with 95% confidence. Confidence Interval= B. Estimate the population mean with 95% confidence, changing the population standard deviation to 60; Confidence Interval=

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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A statistics practitioner took a random sample of 52
observations from a population whose standard
deviation is 27 and computed the sample mean to be
102.
Note: For each confidence interval, enter your answer
in the form (LCL, UCL). You must include the
parentheses and the comma between the confidence
limits.
A. Estimate the population mean with 95%
confidence.
Confidence Interval =
B. Estimate the population mean with 95%
confidence, changing the population standard
deviation to 60;
Confidence Interval: =
C. Estimate the population mean with 95%
confidence, changing the population standard
deviation to 11;
Confidence Interval=
Transcribed Image Text:A statistics practitioner took a random sample of 52 observations from a population whose standard deviation is 27 and computed the sample mean to be 102. Note: For each confidence interval, enter your answer in the form (LCL, UCL). You must include the parentheses and the comma between the confidence limits. A. Estimate the population mean with 95% confidence. Confidence Interval = B. Estimate the population mean with 95% confidence, changing the population standard deviation to 60; Confidence Interval: = C. Estimate the population mean with 95% confidence, changing the population standard deviation to 11; Confidence Interval=
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