Statistics: Null hypothesis/chi-squared question.

[geoffreythelm]

Homework Statement

http://img687.imageshack.us/img687/7963/screenshot20120102at185.png

Homework Equations

The Attempt at a Solution

I understand how to compute a Chi-squared test, but I'm a bit confused about the wording of parts a) and c). Could someone possibly simplify it for me?

Thanks a lot.

 

[Ray Vickson]

Homework Statement

http://img687.imageshack.us/img687/7963/screenshot20120102at185.png

Homework Equations

The Attempt at a Solution

I understand how to compute a Chi-squared test, but I'm a bit confused about the wording of parts a) and c). Could someone possibly simplify it for me?

Thanks a lot.

Google is your friend; search "chi squared test for independence".

RGV

 

[Mark44]

Homework Statement

http://img687.imageshack.us/img687/7963/screenshot20120102at185.png

Homework Equations

The Attempt at a Solution

I understand how to compute a Chi-squared test, but I'm a bit confused about the wording of parts a) and c). Could someone possibly simplify it for me?

Thanks a lot.

There are no parts a and c. Did you mean i and iii?