Question

Amanda surveyed 20 juniors and seniors at Delmark Highschool to find the number of hours per week they spend working at part time jobs. Her results are shown below

Junior - 20,10,20,15,0,0,10,20,15
Senior - 20,20,10,10,0,0,0,10,0,10

Which statement about the data is true?

A - The range of hours worked is the same for juniors and seniors.

B - The mean , median, and mode for the juniors surveyed fall within 3-hour range.

C - The mean number of hours worked by the seniors surveyed is 12.

D - The mean number of hours worked is the same for juniors and seniors.

I think it is A because the range for both juniors and seniors is 20. I also think it is B.

-Please help thank you!

Answer 1

think not on B.

Answer 2

So, is it A?

Answer 3

Yes, A.