A random sample of 135 people yielded the following contingency table describing the relationship between migraine headaches and caffeine consumption (low, medium, high). Caffeine Consumption Low Med....

A random sample of 135 people yielded the following contingency table describing the relationship between migraine headaches and caffeine consumption (low, medium, high). Caffeine Consumption Low Med. High Migraine 5 8 15 No Migraine 35 42 30 Suppose we wish to test H0 : caffeine and migraines are independent versus Ha : caffeine and migraines are not independent at the α = 0.05 significance level. What is the value of the test statistic and p−value?