For a specific year, the average score on the SAT Math test was 515.* The variable is
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For a specific year, the average score on the SAT Math test was 515.* The variable is normally distributed, and the population standard deviation is 100. A school superintendent wishes to see if her students scored significantly below the national average on the test. She randomly selected 36 student scores, as shown. At \(\alpha=0.10\), is there enough evidence to support the claim?
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Elementary Statistics A Step By Step Approach
ISBN: 9781260360653
11th Edition
Authors: Allan Bluman
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