Question: The National Cable and Telecommunications Association recently reported that the

The National Cable and Telecommunications Association recently reported that the mean number of HDTVs per household in the United States is 2.30 with a standard deviation of 1.474 sets. A sample of 100 homes in Boise, Idaho, revealed the following sample information.
Number of HDTVs Number of Households
0 .............. 7
1 .............. 27
2 .............. 28
3 .............. 18
4 .............. 10
5 or more ............. 10
Total ............... 100


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  • CreatedDecember 10, 2014
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