Compute a chi-square test for goodness of fit for each of the following, using the .05 level for each. In each problem, the expected distribution is equal frequencies in each category. NEEDED: X2(df = 3 - 1 = 2, p < .05 = 5.992
a. 5 10 5
b. 10 15 10
c. 10 20 10
d. 5 15 5