Posted by **Anonymous** on Sunday, October 11, 2009 at 12:28pm.

Twenty students assigned to an experimental group receive 30 in a control group has a mean of 38 on the test (with an estimated population standard deviation of 3); the control group has a mean of 35 (with an estimated population standard deviation of 5). Using the .05 level, what should the experimenter conclude?

(a) use the steps of hypothesis testing

(b)sketch the distributors involved

(c)explain your answer to someone who is familar with the test for a single sample, but not independent means

I am confused on how to answer this question. Can somebody please help.

## Answer This Question

## Related Questions

- Statistic - 18. Twenty students randomly assigned to an experimental group ...
- Psychology - Twenty students randomly assigned to an experimental group receive ...
- Statistic - Twenty students assigned to an experimental group receive 30 in a ...
- Psychology - Twenty students randomly assigned to an experimental group receive ...
- sattistics - Twenty students randomly assigned to an experimental group receive ...
- statistics - suppost we wanted to test the hypothesis that control a group of ...
- English - I am psueo conducting an experiment on 144 freshmen high school ...
- statistics - Would this be 2 tailed test or a 1 tailed test? " Do dog owners ...
- Statistics - Twenty (20) students randomly assigned to an experimental group are...
- psychology - In an experiment, a control group is different from an experimental...

More Related Questions