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!
3 answers
think not on B.
So, is it A?
Yes, A.