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Statistics / The Practice of Statistics 5 / Chapter 12 / Problem AP4.34

The Practice of Statistics | 5th Edition | ISBN: 9781464108730 | Authors: Daren S. Starnes, Josh Tabor

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A distribution of exam scores has mean 60 and standard deviation 18. If each score is

Chapter 12, Problem AP4.34

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QUESTION:

A distribution of exam scores has mean 60 and standard deviation 18. If each score is doubled, and then 5 is subtracted from that result, what will be the mean and standard deviation, respectively, of the new scores? (a) mean = 115 and standard deviation = 31 (b) mean = 115 and standard deviation = 36 (c) mean = 120 and standard deviation = 6 (d) mean = 120 and standard deviation = 31 (e) mean = 120 and standard deviation = 36 AP4

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QUESTION:

A distribution of exam scores has mean 60 and standard deviation 18. If each score is doubled, and then 5 is subtracted from that result, what will be the mean and standard deviation, respectively, of the new scores? (a) mean = 115 and standard deviation = 31 (b) mean = 115 and standard deviation = 36 (c) mean = 120 and standard deviation = 6 (d) mean = 120 and standard deviation = 31 (e) mean = 120 and standard deviation = 36 AP4

ANSWER:

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