IQ scores: Scores on an IQ test are normally distributed. A sample of 18 IQ scores had standard deviation s=6. (a) Construct a 99% confidence interval for the population standard deviation 6. Round the answers to at least two decimal places. (b) The developer of the test claims that the population standard deviation is o=8. Does this confidence interval contradict this claim? Explain. Part: 0 / 2 Part 1 of 2 A 99% confidence interval for the population standard deviation is
IQ scores: Scores on an IQ test are normally distributed. A sample of 18 IQ scores had standard deviation s=6. (a) Construct a 99% confidence interval for the population standard deviation 6. Round the answers to at least two decimal places. (b) The developer of the test claims that the population standard deviation is o=8. Does this confidence interval contradict this claim? Explain. Part: 0 / 2 Part 1 of 2 A 99% confidence interval for the population standard deviation is
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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