Question

1	20.8
1	20.4
1	25.1
1	27.4
1	15.4
1	15.3
1	13.9
2	16.3
2	14.5
2	10.4
2	12.2
2	12.5
2	9.5
2	15.3
3	16.8
3	20.9
3	28.4
3	22.5
3	17.5
3	14.9
3	22.4
3	17.5
3	25.4
3	22.4
4	16.7
4	14.5
4	13.7
4	15.4
4	12.4
4	16
4	7.5
4	12.9
4	18.3

10. What was the margin of error for the confidence interval for gasoline mileage of make 2?	2.3391	Wrong
11. What was the lower 95% confidence limit for make 2 mileage?		Wrong
12. What was the upper 95% confidence limit for make 2 mileage?		Wrong
13. What is the value of the t test statistic for testing the hypothesis that makes 2 and 3 do not differ in mileage?

Answer 1