Median, Mode, and StemandLeaf display.
Consider the following data:
1.

11.5

6.

13.7

11.

11

16.

14.5

2.

13.5

7.

14

12.

13

17.

15.5

3.

12.5

8.

12

13.

16.7

18.

13

4.

15.2

9.

12.7

14.

12.5

19.

18.2

5.

14.7

10.

12.5

15.

11.5

20.

11.7

a. produce a stem and leaf display for the sample.
b. illustrate the shape of the stem and leaf display.
c. What is the mode?
d. What is the median?