Posted by **Barbara** on Sunday, February 28, 2010 at 11:52pm.

8. A sample of 65 observations is selected from one population. The sample mean is 2.67 and the sample standard deviation is .75. A sample of 50 observations is selected from a second population. The sample mean is 2.59 and the sample standard deviation is .66. Conduct the following test using 95% level of confidence. Z-test for Unpaired data

a. Is it a 1 or 2 tail test

b. Compute the statistical calculation

c. What is your decision regarding H1

d. What is the P-value

## Answer This Question

## Related Questions

- statistics - A sample of 40 observations is selected from one approximately ...
- statistics - A sample of 40 observations is selected from one approximately ...
- statistics - 7. A sample of 40 observations is selected from one population. The...
- math - sample of 40 observations is selected from one population with a ...
- stats - A sample of 12 observations is selected from a normal population for ...
- statistics - A specific study found that the average number of doctor visits per...
- Statistics - he Oil Price Information Center reports the mean price per gallon ...
- statistics - The scores of students on the ACT college entrance examination in ...
- Statistics - . A random sample is selected from a normal population with a mean ...
- Stats - I just need help with starting how to calculate the problem I am so lost...

More Related Questions