a. Mean family size of the sample: b. Sample variance: ct Test Value: d. Summarize your Interpretation:

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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The average family size was reported as 7.2. A random sample of families in a particular school district resulted in the
following family sizes:
Size
4
9.
8.
4
8
9
At 1% level of significance, does the average family size different from the national average? Use traditional way of testing
hypothesis.
a. Mean family size of the sample:
b. Sample variance:
ct Test Value:
d. Summarize your Interpretation:
4)
Transcribed Image Text:The average family size was reported as 7.2. A random sample of families in a particular school district resulted in the following family sizes: Size 4 9. 8. 4 8 9 At 1% level of significance, does the average family size different from the national average? Use traditional way of testing hypothesis. a. Mean family size of the sample: b. Sample variance: ct Test Value: d. Summarize your Interpretation: 4)
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