The following r commands and outputs show scores on the first quiz (maximum score of 10 points) for eighth-grade students in an introductory level french course. the instructor grouped the student in the course as follows: - group 1: never studied foreign language before but have good english skills - group 2: never studied foreign language before and have poor english skills - group 3: studied at least one other foreign language quiz scores group 1 group 2 group 3 5 10 mean standard deviation 8 u = 6 s1 = 2 u2 = 3 $2 = 2.8 v3 = 8 $3 = 2.6 > test < -aov(scores group, data=quiz) > summary(test) df sum sq mean sq f value pr(> f) group 2 30 2.5 0.177 residuals 5 30 6 15 use r commands and outputs above to answer part a. through h. assume that quiz scores are normally distributed.