The following sample data are from a normal population: 10, 9, 12, 14, 13, 11, 6, 5
The following sample data are from a normal population: 10, 9, 12, 14, 13, 11, 6, 5
a. What is the point estimate of the population mean?
b. What is the point estimate of the population standard deviation (to 2 decimals)?
c. With 95% confidence, what is the margin of error for the estimation of the population mean (to 1 decimal)?
d. What is the 95% confidence interval for the population mean (to 1 decimal)?
Homework Answers
The statistic software output for this problem is:
(a) 10
(b) 3.20
c) margin of error = (12.7 - 7.3) / 2 = 2.7
d) (7.3 , 12.7)
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