31) In studying the responses to a multiple-choice test question, the following sample data were obtained. At the 0.05 significance level, test the claim that the responses occur with the same frequency. (a) Find the value of the Chi-squared test statistic. This problem continues in the next problem. Response| A B C D E Frequency 12 15 16 18 19 A) 1.875 B) 7.762 C) 0.894