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Mathematics 14 Online
OpenStudy (anonymous):

Please help! Will give medal! Suppose that young adults own an average of 3 pairs of jeans. If you survey 8 people from your class to determine if the average is different than 3, you find a mean of 3.25 pairs of jeans with a standard deviation of 0.75 pairs. At the 5% level of significance do young adults own 3 pairs of jeans? In your answer, show your hypothesis , your calculated z or t score , and your decision to accept or not accept the null hypothesis.

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