Question

how to find mean,mediam,mode for ingrouped data​

Answer 1

Answer:

For grouped data, we cannot find the exact Mean, Median and Mode, we can only give estimates.

To estimate the Mean use the midpoints of the class intervals: Estimated Mean = Sum of (Midpoint × Frequency)Sum of Freqency.

To estimate the Median use: Estimated Median = L + (n/2) − BG × w. ...

To estimate the Mode use