Question

It is claimed that an automobile is driven on the average more than 20,000 kilometers per year. To test this claim, a random sample of 100 automobile owners are asked to keep a record of the kilometers they travel. Would you agree with the claim if the random sample showed an average of 23,500 kilometers and a standard deviation of 3900 kilometers? Use 0.01 level of significance.

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Answer 1

Answer:

automobile owners are asked to keep a record of the kilometers they travel. Would you agree with the claim if the random sample showed an average of 23,500 kilometers and a standard deviation of 3900 kilometers? Use 0.01 level of significance.