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According to a study of TV viewing habits, the average number of hours an American over...

According to a study of TV viewing habits, the average number of hours an American over the age of 2 watches TV per week is 44. The population standard deviation is 16 hours. If a sample of 64 Americans over the age of 2 are randomly selected, what is the standard error of the mean?

Math   Statistics-And-Probability   
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Answer #1

sampling distribution of standard deviation

=  / n = 16 / 64

= 2

if only 2 selected so

=  / n = 16 / 2

= 11.31

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