In each of the Exercises, the quantitative data set under consideration has roughly a bell-shaped distribution. Apply

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In each of the Exercises, the quantitative data set under consideration has roughly a bell-shaped distribution. Apply the empirical rule to solve each exercise.

The data set has 80 observations and has mean 30 and standard deviation 5. Approximately how many observations lie between 20 and 40?

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Elementary Statistics

ISBN: 9780321989390

9th Edition

Authors: Neil A Weiss

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Question Posted: Jan 10, 2023 01:33 AM

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In each of the Exercises, the quantitative data set under consideration has roughly a bell-shaped distribution. Apply

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20 and 40 are two standard deviations to either side o...View the full answer

Elementary Statistics

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