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25-11-2022
Mathematics

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The average family size was reported as 3.18. A random sample of families in a particular school district resulted in the following family sizes: 5 4 5 4 4 3 6 4 3 3 5 6 3 3 2 7 4 5 2 2 2 3 5 2. At alpha = 0.05, does the average family size differ from the national average?

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