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Estimate the mean number of cars per barracks

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A random sample of 30 barrack rooms was selected from a particular navy base. The number of cars for each barracks is shown below. Estimate the mean number of cars per barracks for the population of barracks in this navy base. Give the 95% confidence interval.

2 0 1 2 3 2 1 0 1 4

1 3 2 0 1 1 2 3 1 2

1 0 2 3 0 2 2 1 0 2

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Reference no: EM131658661

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