In a sample of 8 hip surgeries, the average surgery times was 131.5 minutes with a standard deviation of 20.9 minutes a.) What is the best point estimate of the mean time for hip surgery? b.) How many degrees of freedom will be used for the given sample size?
In a sample of 8 hip surgeries, the average surgery times was 131.5 minutes with a standard deviation of 20.9 minutes a.) What is the best point estimate of the mean time for hip surgery? b.) How many degrees of freedom will be used for the given sample size?
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 14PPS
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![In a sample of 8 hip surgeries, the average surgery times was 131.5 minutes with a standard deviation of 20.9 minutes.
a.) What is the best point estimate of the mean time for hip surgery?
b.) How many degrees of freedom will be used for the given sample size?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8e1013ce-a1ba-404a-95a7-e52f376043ec%2F1cbcb25a-6327-4ca5-8cc7-a40eca309ec0%2Ftjiiz5_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In a sample of 8 hip surgeries, the average surgery times was 131.5 minutes with a standard deviation of 20.9 minutes.
a.) What is the best point estimate of the mean time for hip surgery?
b.) How many degrees of freedom will be used for the given sample size?
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