A símple random sample of size 100 has mean 15, the population variance being 25. Find an interval estimate of the population mean with a confidence level of () 99%, and (i) 95%. If population variance is not given, then what should be done to find out the required interval estimates ?
A símple random sample of size 100 has mean 15, the population variance being 25. Find an interval estimate of the population mean with a confidence level of () 99%, and (i) 95%. If population variance is not given, then what should be done to find out the required interval estimates ?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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![A simple random sample of size 100 has mean 15, the population variance
being 25. Find an interval estimate of the population mean with a confidence level of
() 99%, and (i) 95%.
If population variance is not given, then what should be done to find out the required interval
estimates ?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5f335ea3-fab2-4b1a-bfb1-ee9e018e96a0%2F87d5bd1c-f6f6-4bbb-b553-83c4767f0d4f%2Fjf5pxa_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A simple random sample of size 100 has mean 15, the population variance
being 25. Find an interval estimate of the population mean with a confidence level of
() 99%, and (i) 95%.
If population variance is not given, then what should be done to find out the required interval
estimates ?
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