1. Now consider a 5 5 contingency table. You are required to make a decision with regard to the test the independence between row and column variables with a 1% level of significance. If the calculated test statistic is 30, which one of the following statements is the best decision and conclusion?

• A. We reject the null hypothesis and conclude that the two variables are independent of each other.
• B. We do not reject the null hypothesis and conclude that the two variables are independent of each other.
• C. We do not reject the null hypothesis and conclude that the two variables are not independent of each other.
• D. More information is needed to make a decision with regard to the null hypothesis.
• E. We reject the null hypothesis and conclude that the two variables are not independent of each other

2.

The following regression equation estimates the relationship between the number of DineoConnect's unlimited data subscribers working remotely (x), and the average data usage in megabytes (y). y = 151: Which one of the following statements is incorrect