1 19.7 1 14.7 1 19.5 1 18 1 15.3 1 13 1 18.1 1 22.6...

1	19.7
1	14.7
1	19.5
1	18
1	15.3
1	13
1	18.1
1	22.6
1	17.2
1	22
2	11.8
2	11.5
2	13.8
2	4
2	12.1
2	13.4
2	16.6
3	15.3
3	17.2
3	22.4
3	21.2
3	22.1
3	22.7
3	24.5
3	19.5
3	21.5
4	14.7
4	14
4	13.7
4	14.6
4	14.4
4	17.2
4	17.2
4	17.4
4	14.6

1) What was the margin of error for the confidence interval for gasoline mileage of make 2?

2) What was the lower 95% confidence limit for make 2 mileage?

3) What was the upper 95% confidence limit for make 2 mileage?

4) What is the value of the t test statistic for testing the hypothesis that makes 2 and 3 do not differ in mileage?

Expert Solution

orchestra answered 2 years ago

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Find the 14th percentile, P14, from the following data 10 12.3 14 14.7 18.1 18.2 18.5...

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