Question 6 1 Point To determine whether the test statistic of ANOVA is statistically significant, it can be compared to a critical value. What two pieces of information are needed to determine the critical value? sample size for each group, number of groups B mean, sample standard deviation C expected frequency, obtained frequency D MSB, MSW Question 7 1 Point Choose the most appropriate answer to end the following sentence: If the value of the test statistic is F=5, the result is statistically significant A never B always C less than 50% of the time D sometimes