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In a sample of 15 randomly selected high school seniors, the mean score on a standardized test was 1196 and the standard deviation was 161.3.
In a sample of 15 randomly selected high school seniors, the mean score on a standardized test was 1196 and the standard deviation was 161.3. Further research suggests that the population mean score on this test for high school seniors is 1019. Does the t-value for the original sample fall between t0.99 and t0.99?
Assume that the population of test scores for high school seniors is normally distributed.
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