SOLUTION: A random sample of representatives from seven companies was interviewed in order to find out the number of computers they planned to order next year. The results are shown below:

Question 1122240: A random sample of representatives from seven companies was interviewed in order to find out the number of computers they planned to order next year. The results are shown below:
8 15 33 10 9 25 12
Assuming that the population of number of computers planned to be ordered next year is normally distributed, construct a 95% confidence interval for the population mean
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
The mean is 16
sigma is 8.75
95% CI is mean+/- 1.96*sigma/sqrt(n)
=16+/-6.48
(9.52, 22.48)
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