A data set has a mean of 20 and a standard deviation of 5. Which of the

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A data set has a mean of 20 and a standard deviation of 5.

Which of the following might possibly be true, and which are impossible?

a. Less than 50% of the data values are between 10 and 30.

b. Only 1% of the data values are greater than 35.

c. More than 15% of the data values are less than 5.

d. More than 90% of the data values are between 5 and 35.

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Elementary Statistics

ISBN: 9781259969454

3rd Edition

Authors: William Navidi, Barry Monk

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Question Posted: May 03, 2024 04:02 AM

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A data set has a mean of 20 and a standard deviation of 5. Which of the

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Using the empirical rule which states that for normally distributed data Approximately 68 of the dat...View the full answer

Elementary Statistics

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