9
QuizMultiple Choice
Regression Models — Unit test
Question 9 of 15 • (CR27) ALG 1-1200310-S2-Degele-VOL7006P
Ms. Barnsley separates her class into two groups. She gives each student the same 25-question math quiz. Group A uses a calculator, while Group B does not. The table shows the completion times, in minutes, of students in each group. Which statement is true about the distributions of completion times?
Answer
T
The students in Group A tended to complete the quiz in less time.T
The median of Group A is greater than the median of Group B.T
The means of both groups are about the same.T
The standard deviation of Group B is less than the standard deviation of Group A.