Calculate the two standard deviations


To find mean, standard deviation and confidence interval.

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

a. work out the two sample means.

b. calculate the two standard deviations

c. what is the point estimate of the difference between the two population means?

d. what is the 90 percent confidence interval estimate of the difference between two population means.

Request for Solution File

Ask an Expert for Answer!!
Basic Statistics: Calculate the two standard deviations
Reference No:- TGS020732

Expected delivery within 24 Hours