Suppose that the amount of time teenagers spend on the internet is normally distributed with a standard deviation of 1.5 hours. A sample of 100 teenagers is selected at random, and the sample mean computed as 6.5 hours. A) Determine the 95% confidence interval estimate of the population mean. ____________________ to ____________________ B) Interpret what the interval estimate in part (a) tells
you.
Fill in the blank(s) with correct word
6.206; 6.794; If we repeatedly draw samples of size 100 from the population of teenagers, 95% of the values of sample means x will be such that the population mean amount of time teenagers spend on the internet (?) would be somewhere between 6.206 hours and 6.794, and 5% of the values of x will produce intervals that would not include ?.
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