A survey regarding the heights (in cm) of 50 girls of class X of a school was conducted and the following data was obtained:

Height (in cm) 120 - 130 130 - 140 140 - 150 150 – 160 160 – 170 Total
Number of girls 2 8 12 20 8 50

Find the mean, median and mode of the above data.

Asked by Topperlearning User | 12th Feb, 2014, 02:16: PM

Expert Answer:

 
Height in cm
Number of girls
Cumulative Frequency
120 – 130
2
2
130 – 140
8
10
140 – 150
12
22
150 – 160
20
42
160 – 170
8
50
Total
50
 
 
 

Answered by  | 12th Feb, 2014, 04:16: PM