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Question: a find the standardized test statistic t for a sample...

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8) (a) Find the standardized test statistic t for a sample with n 15, x 7, s 0.8, and a 0.05 if Ho: us 6.7. Round your answer to three decimal places. (b) Determine whether the normal distribution can be used or not. The claim is p 20.300 and the sample size is 20. Give the reason for your answer.
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