Confidence interval for difference between population means

Reference no: EM1318470

airport 1
9.1	15.1	8.8	10	7.5	10.5	8.3	9.1	6.0	5.8	12.1	9.3
airport 2
4.7	5.0	4.2	3.3	5.5	2.2	4.1	2.6	3.4	7.0

a. Compute the sample mean and standard deviation for each.

b. What is the point estimate of the difference between the two population means? Interpret this value in terms of the higher volume airport and a comparison of the volume difference between the two airports?

c. Develop a 95% confidence interval of the difference between the daily population means for the two airports.

Reference no: EM1318470

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