Mathematics, 28.08.2020 21:01 quintonps12

AutoTrader. com would like to estimate the number of years owners keep the cars that they purchased as a new vehicle. The following data shows the age of seven vehicles that were sold for the first time by their owners. 4 12 3 10 7 4 5
Using this sample, the 90% confidence interval that estimates the average age of cars sold for the first time is:

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