A parole officer measures the average age of new felons. The average age of the 20 new

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A parole officer measures the average age of new felons. The average age of the 20 new felons in his district is 27.8 years, with a s_M of 0.492 year.

a. What point estimate should the parole officer predict for the average age of any future group of felons in his district?

b. In constructing an interval estimate for new felons’ age, what age will fall in the center of the interval?

c. The parole officer can be 95% confident that the mean age for new felons will fall between which two values?

d. If the parole officer had measured the age of 30 new felons instead of 20, would the CI be wider or narrower? Why?

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Statistics Alive

ISBN: 9781544328263

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Authors: Wendy J. Steinberg, Matthew Price

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Question Posted: Mar 04, 2023 09:51 AM

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A parole officer measures the average age of new felons. The average age of the 20 new

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a Point estimate 278 years b 278 years will fall in the center of ...View the full answer

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