Nikki grows 20 tomato plants.
She measures their heights to the nearest centimetre, and writes them down.
9
14
20
15
21
19
21
21
22
12
16
24
11
17
18
10
15
18
15
18
Height (cm)
Frequency
10 and under
Complete the frequency table.
11 - 15
16 - 20
over 20