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find the mean median and mode of each set of data and classified according to the number of modes.​

Sagot :

Answer:

Summary

1.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 Frequency.

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

To estimate the Mode use: