1. Suppose the you are investigating the relationship between 2 categorical variables and the 95% confidence interval for p1-p2 is between 0.2 and 0.3 and the corresponding Pvalue is 0.004

a.

There is a strong evidence of a relationship , p1 is significantly higher than p2

b.

There is not strong evidence of a relationship

Suppose the you are investigating the relationship between 2 categorical variables and the 95% confidence interval for p1-p2 is between -0.1 and 0.2 and the corresponding Pvalue is 0.4

a.

There is a strong evidence of a relationship

b.

There is not strong evidence of a relationship