Consider the following data for two independent random samples taken from two normal populations.

Sample 1	10	7	13	7	9	8
Sample 2	8	7	8	4	6	9

Compute the two sample means.

Sample 1: ____

Sample 2: ____

Compute the two sample standard deviations (to 2 decimals). Sample 1: ____ Sample 2: ____

What is the point estimate of the difference between the two population means? ____

What is the 90% confidence interval estimate of the difference between the two population means. If required enter negative values as negative numbers (to 2 decimals)?( ____ , ____ )