Two categories X and Y are thought to be associated. The table of observed data is:

a. Give the table of expected values, to 2 decimal places.

b. Calculate the test statistic.

c. Test, at the 5% significance level, whether there is an association between category X and category Y. Clearly state your hypotheses.

For each following question, clearly state:

• Your hypotheses

• The value of the test statistic

• The degrees of freedom required

• The critical value

• Your conclusion.

Transcribed Image Text:

Y2 36 X X2 23 42 136