A survey regarding heights (in cm) of 51 girls of class X of a school was conducted and the following data was obtained:
| Heights (in cm) | Number of girls |
| less than 140 | 04 |
| less than 145 | 11 |
| less than 150 | 29 |
| less than 155 | 40 |
| less than 160 | 46 |
| less than 165 | 51 |
Find the median height of girls. If mode of the above distribution is 148.05, find the mean using empirical formula.
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Ravi (2025-08-22 12:35:54)
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