Question: Let d=12. Construct a 90% confidence interval estimate for the mean paired difference between the two population means. Sample Population 1 Population 2 1 3732

Let d=12. Construct a 90% confidence interval estimate for the mean paired difference between the two population means.

Sample Population 1 Population 2

1 3732 3886

2 3736 3981

3 3674 4184

4 3800 4244

5 3749 3891

6 3514 3869

7 3557 3715

8 3855 4149

9 4110 4731

10 3620 3820

11 3973 4171

12 3944 4140

13 3752 4398

14 3969 4136

15 3661 3939

_____d_____

(Round 4 decimal places)

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