Question

Will medal. Please help.

Answer 1

The quiz scores for two different groups of math students are given below. Use the mean and standard deviation to determine which group has a higher average, and which group is more consistent.



Group A – 93, 90, 71, 77, 85, 75, 77, 85, 87, 90
Group B – 71, 75, 85, 95, 71, 71, 90, 95, 87, 80



Group B had a higher average; Group A was more consistent


Group A had a higher average; Group B was more consistent


Group A had a higher average; Group A was more consistent


Group B had a higher average; Group B was more consistent