Mathematics

Bogey

16 April, 16:59

1. What data are represented by the stem-and-leaf plot below?

3 | 7 8 9

4 | 1 3 7

5 | 2 4

Key: 4 | 1 means 41

a. 37, 38, 39, 41, 43, 47, 52, 54

b. 73, 83, 93, 14, 34, 74, 25, 45

c. 7, 8, 9, 1, 3, 7, 2, 4

d. 37, 38, 39, 14, 34, 74, 25, 45

2. Find the mode and the median of the data in the stem-and-leaf plot below.

5 | 4 4 8

6 | 0 3 5

7 | 3 4 6

8 | 2 5

9 | 7 8

Key: 6 | 3 means 63

a. no mode; 73

b. 63; 73.5

c. 54; 73

d. no mode; 73.5