Question 69 (5 points) A researcher is examining preferences among four new flavors of ice cream. A sample of n - 80 people is obtained. Each person tastes all four flavors and then picks their favorite. The distribution of preferences is as follows: Ice Cream Flavor A B C D 12 18 28 22 ) What is the null hypothesis? b) What is the proportion and the expected frequency for each of the cells? b) What are the degrees of freedom for this test? c) What is the critical value for chi-square in this case (Or = .05)? d) When calculating chi-square the researchers computed a value of 6.80. Should they reject or fail to reject the null hypothesis? e) Write a statement explaining the result. Format BIU