Use the stem and leaf plots to answer questions #7-12. As people walked into a mall, a surveyor asked their age. She did this on a Tuesday and again on a Saturday from 1p. m. - 3p. m.
7. How do the shapes compare?
Tuesday
Stem Leaf
8. How do the peaks compare?
|
2.
3
4
5
6
9. How do the centers compare?
0,2,2,3,4,4
3,5
2, 6
I, 3
0,1,3,5,5
10. Did the surveyor leave an age range out? Do you think this
affected the data sets?
II. True or False: The ages of people who attended the mall
on Saturday were evenly distributed.
Saturday
Stem Leaf
1 1, 3, 5, 7, 7,9
2 0, 2, 4, 8, 8, 9,9
3 1, 3, 4, 5, 7, 7, 8, 9,9
4 2, 3, 4, 5, 6, 7, 8
5 1, 3, 4, 5, 7,7
6 0, 1, 5,6
12. Glve one possible reason for the shape of Tuesday's data.
Lindsay Bowden, 2020