A group of elementary school students took a standardized reading test. The mean score was 70 and

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A group of elementary school students took a standardized reading test. The mean score was 70 and the standard deviation was 10.

Someone says that only 50% of the students scored between 50 and 90.

Is this possible? Explain.

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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 group of elementary school students took a standardized reading test. The mean score was 70 and

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No it is not possible for only 50 of the students to have scored between 50 and 90 given a normal di...View the full answer

Elementary Statistics

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