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Scholastic Aptitude Test (SAT) mathematics scores of a random sample of 100 high school seniors in...

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Statistics

Scholastic Aptitude Test (SAT) mathematics scores of a randomsample of 100 high school seniors in the state of Texas arecollected, and the sample mean and standard deviation are found tobe 520 and 80, respectively. Find a 95% confidence interval on themean SAT mathematics score for seniors in the state of Texas.

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Solution Given thatsample mean 520Population    See Answer
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