Use Hypothesis Testing and the following data and decide if the location and time periods ...

Use Hypothesis Testing and the following data and decide if the location and time periods are independent variables in the quality of milk production.  The numbers in the matrix are the number of quality control problems that occurred in thousands.
 

Observed Frequencies

California   Production

Wisconsin Production

Total

1990-1995

22

22

44

2000-2005

34

22

56

Total

56

44

100

Develop a research question.

Formulate a set of hypothesis regarding your research issue.

What are the independent variables?

What is the dependent variable?

Select a level of significance.

Identify the test statistic.

Describe the results of your test, and explain how the findings from this hypothesis testing can be used to answer your research question.