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The average family size was reported as 5 . 1 . A random sample of families in a particular school district resulted in the following
The average family size was reported as A random sample of families in a particular school district
resulted in the following family sizes:
At does the average family size greater than the national average? Use traditional way of testing
hypothesis.
a Mean family size of the sample:
b Sample variance:
c Test Value:
d
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