1. how many police detectives are represented in the frequency distribution table?
age frequency
50-52 7
53-55 4
56-68 3
59-61 7
62-64 5
65-67 1
a. 24
b. 25
c. 26
d. 27

2. 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

!