Given two dependent random samples with the following results:

Population 134

3434

3434

3420

2027

2718

1841

41Population 248

4825

2540

4018

1824

2423

2327

27

Use this data to find the90%

90%confidence interval for the true difference between the population means. Assume that both populations are normally distributed.

Copy Data

Step 1 of 4:Find the point estimate for the population mean of the paired differences. Letx

1

x1be the value from Population 1 andx

2

x2be the value from Population 2 and use the formulad=x

2

x

1

d=x2x1to calculate the paired differences. Round your answer to one decimal place.