Q1. A chi-square tes. If one variable is classified into 4 categories and the other variable is classified into 2 categories, then assuming no assumptions are violated, how many degrees of freedom does the appropriate the chi-square statistic have?
Q2. A researcher was comparing several groups of male subjects to examine the effect of diet on mean BMI change following 16 weeks of dieting. The researcher obtained an F-ratio of 6.97 with df = 6, 133 from an independent-measures One Way ANOVA. Assuming there are no missing values, what is the total number of treatment groups G being compared in the study?(Ple give me a simple calculate process)