Kona, a 15-year-old boy, is 72 inches tall. According to the CDC, the average height for boys

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Kona, a 15-year-old boy, is 72 inches tall. According to the CDC, the average height for boys at this age is 67.00 inches, with a standard deviation of 3.19 inches.

a. Calculate Kona’s z score.

b. What is Kona’s percentile score for height?

c. What percentage of boys this age are shorter than Kona?

d. What percentage of heights are at least as extreme as Kona’s, in either direction?

e. If Ian is in the 30th percentile for height as a 15-year-old boy, how tall is he? How does he compare to Kona?

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Essentials Of Statistics For The Behavioral Sciences

ISBN: 9781464107771

3rd Edition

Authors: Susan A. Nolan

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Question Posted: Apr 30, 2018 07:28 AM

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Kona, a 15-year-old boy, is 72 inches tall. According to the CDC, the average height for boys

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a b 4418 of scores are between this z score and the mean We need ...View the full answer

Essentials Of Statistics For The Behavioral Sciences

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