question archive A company claims that on average, their product lasts at least 4 years
A company claims that on average, their product lasts at least 4 years
Subject:StatisticsPrice: Bought3
A company claims that on average, their product lasts at least 4 years. A study of 53 products showed a sample mean of 4.45 and a standard deviation of 0.45. What would be the test static in order to test the claim?
