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
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