Question
We sample 64 gang members to estimate their average number of years spent in prison. We discover that our sample mean is 22.9 years with
- We sample 64 gang members to estimate their average number of years spent in prison. We discover that our sample mean is 22.9 years with a standard deviation of 4.8 years. Calculate intervals for the following confidence levels.
- 61% Confidence Level
- 75% Confidence Level
- 95% Confidence Level
- 99% Confidence Level
After analyzing the data, your colleague notifies you that there were 600 addition gang members surveyed (new sample size is 664). Miraculously, your sample mean is still 22.9 years with a standard deviation of 4.8 years. Using the new sample size, re-calculate the intervals for the following confidence levels.
- 61% Confidence Level
- 75% Confidence Level
- 95% Confidence Level
- 99% Confidence Level
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An Introduction To Statistical Methods And Data Analysis
Authors: R. Lyman Ott, Micheal T. Longnecker
7th Edition
1305269470, 978-1305465527, 1305465520, 978-1305269477
