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Samples of computers are taken from two county library locations and the number of internet tracking...

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Basic Math

Samples of computers are taken from two county library locationsand the number of internet tracking spyware programs is counted.The first location hosted 21 computers with a mean of 4.1 trackingprograms and a standard deviation of 0.8. The second locationhosted 19 computers with a mean of 6.2 tracking programs and astandard deviation of 1.2.

a) Please calculate the appropriate standard error statistic forthe scenario provided.

b)Please calculate a confidence interval around your pointestimates as appropriate for the scenario. Use a confidence limitof 99% (.01)

c) Please calculate a confidence interval around your pointestimates as appropriate for the scenario. Use a confidence limitof 95%.

d) How do your confidence intervals compare? Is this what youexpected to see? Why?

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