H
The table gives some information about the heights of 30 plants.
Height, h in cm
Frequency
0 1
10 20h30
30 Which class interval contains the median?
Select your answer.
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0≤h<10 10≤h<20 20 ≤h<30 30 ≤h<40
A
B
C
D
9
7
13
t
C
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