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BE CLEAR AND NEAT, DON\"T USE OTHER PEOPLE's Solutions for an UP VOTE! A company that manufactures...

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BE CLEAR AND NEAT, DON\"T USE OTHER PEOPLE's Solutions for an UPVOTE!

A company that manufactures pavers used in residentiallandscaping. The company guarantees that the paver average weightis no more than 10kg. However, recently the company has receivedmany complaints that the pavers are heavier than expected. In aneffort to address the customers complaints, the quality controlmanager selected a random sample of 40 pavers. The average andstandard deviation obtained from this sample are 10.3kg and 3.1 kg,respectively. At α = 0.10, can it be concluded the pavers averageweight is higher than 10kg? Use the critical value/rejection pointmethod.

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4.1 Ratings (715 Votes)
Given u mean 103 kg standard deviation 31 kg and n 40Let X be the average    See Answer
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