1. a. | Number of hamburgers | Frequency | b. | c. 1 | |
0
|
5
|
||||
1
|
10
|
||||
2
|
8
|
||||
3
|
7
|
||||
4
|
6
|
||||
5
|
4
|
||||
Total
|
40
|
2. a. 24
b. 86
c. 55-65
d. 34
e. 28
f. Between 35 and 40
3. a. | Height of players (cm) | Frequency | b. | |
190-
|
3
|
|||
195-
|
3
|
|||
200-
|
4
|
|||
205-
|
5
|
|||
210-
|
3
|
|||
215-220
|
2
|
|||
Total
|
40
|
c. 205-210 cm
4. a. | Length of river (km) | Frequency | b. | |
150-
|
10
|
|||
200-
|
4
|
|||
250-
|
2
|
|||
300-
|
1
|
|||
350-
|
0
|
|||
400-450
|
1
|
|||
Total
|
18
|
c. 150-200 km
d. 8 rivers are longer than 200 km.
e. 14 rivers are shorter than 250 km.