The sample yielded x 480 and s 75 give a 95 confidence, Basic Statistics

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The sample yielded x 480 and s 75 give a 95 confidence

Suppose that scores on a standardized exam are normally distributed. To estimate the average score on the exam for all test takers, a researcher obtains a random sample of 25 scores. The sample yielded x = 480 and s = 75. Give a 95% confidence interval for the average score on the exam for all test takers.

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Basic Statistics: The sample yielded x 480 and s 75 give a 95 confidence

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