(c) There are three major antidepressants medicine known as Paxil, Prozac and Lexapro. A medical company conducted an experiment to determine the degree of relief provided by these three medicines....

Please do not use excel.

Extracted text: (c) There are three major antidepressants medicine known as Paxil, Prozac and Lexapro. A medical company conducted an experiment to determine the degree of relief provided by these three medicines. All the medicine were tried on 140 patients and the following data recorded: Medicine Stress relief: Рaxil Prozac Lexapro Not effective 16 10 Partially effective 30 20 21 Totally effective 6 16 12 At the 0.01 level of significance, test the hypothesis (Họ: Three medicines are equally effective) that the three medicines are equally effective. Use the chi-squared critical value approach.