Homework Help: statistics

Posted by JDec on Thursday, February 11, 2010 at 3:21pm.

Do students at various universities differ in how sociable they are? Twenty-five
students were randomly selected from each of three universities in a region and
were asked to report on the amount of time they spent socializing each day with
other students. The result for University X was a mean of 5 hours and an estimated
population variance of 2 hours; for University Y,m = 4, s^2=1.5 ; and for University
Z,M = 6 , s^2 = 2.5 . What should you conclude? Use the .05 level.
(a) Use the steps of hypothesis testing, (b) figure the effect size for the study;
and (c) explain your answers to parts (a) and (b) to someone who has never had
a course in statistics.

No one has answered this question yet.

Answer this Question

Related Questions

college - Do students at various universities differ in how sociable they are? ...
statistics - . Do students at various universities differ in how sociable they ...
statistics - Do students at various universities differ in how sociable they are...
Psychology/Statistics - Do students at various universities differ in how ...
College statistics - Do students at various universities differ in how sociable ...
statitics - 17. Do students at various universities differ in how sociable they ...
MARH - Do students at various universities differ in how sociable they are? ...
statistical psychology - Do students at various universities differ in how ...
probability and statistics - Chapter 9: 17. Do students at various universities ...
statistics - Do students at various colleges differ in how sociable they are? ...

For Further Reading

First Name:
School Subject:
Answer: