1 A study randomly assigned adult subjects to one of three

Last updated: 4/28/2023

1 A study randomly assigned adult subjects to one of three exercise treatments 1 a single long exercise period five days per week 2 several ten minute exercise periods five days per week and 3 several ten minute periods five days per week using a home treadmill The study report contains the following summary statistics about weight loss in kilograms after six months of treatment Treatment Long periods Multiple short periods Multiple short periods with treadmill Here is a partial ANOVA table based on these data Source df Group Error The Total Sums of Squares 20 032 Mean 10 2 9 3 10 2 3 In Q1 the mean square for groups MSG is Mean Square 18 456 4 In Q1 what is the value of the F statistic Std Dev n 37 4 2 4 5 5 2 2 In Q1 what is the denominator degrees of freedom for the ANOVA F Ratio What is the numerator degrees of freedom for the ANOVA 112 10 016 0 54 36 62 42 112 5 In Q1 what is the alternative hypothesis for the ANOVA a The population mean weight loss after six months is greatest with multiple short periods of exercise using a treadmill b The population mean weight loss after six months is different for each of the three exercise conditions c The population mean weight loss after six months is not the same for the three exercise conditions d The population mean weight loss after six months is the same for all three exercise conditions