1. Use a x2 test to test the claim that in the given contingency table, the row variable and the column variable are independent. Responses to a survey question are broken down according to gender and...

Extracted text: 1. Use a x2 test to test the claim that in the given contingency table, the row variable and the column variable are independent. Responses to a survey question are broken down according to gender and the sample results are given below. At the 0.05 significance level, test the claim that response and gender are independent. Male 25 50 Female 20 30 | Yes No Undecided 15 10