CBSE Class 10 Answered
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 | 12 Feb, 2014, 02:16: PM
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 | 12 Feb, 2014, 04:16: PM
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