Find the mean by step - deviation method...

Find the mean by step - deviation method:

Verified by Experts

The correct Answer is:

88.85

MEASURES OF CENTRAL TENDENCY (MEAN, MEDIAN, QUARTILES AND MODE)
ICSE|Exercise EXERCISE 24 (C)|10 Videos
MEASURES OF CENTRAL TENDENCY (MEAN, MEDIAN, QUARTILES AND MODE)
ICSE|Exercise EXERCISE 24 (D)|8 Videos
MEASURES OF CENTRAL TENDENCY (MEAN, MEDIAN, QUARTILES AND MODE)
ICSE|Exercise EXERCISE 24 (A)|17 Videos
MATRICES
ICSE|Exercise Exercise 9D|25 Videos
MIXED PRACTICE
ICSE|Exercise SET B|52 Videos

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