Question

Following are the heights of 10 students:
Height in cm: 153,156,169,163,166,158,162,167,166,180

Calculate average height,using Short cut method
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Answer 1

Average height = Sum of values / Number of Values.

So:

Average height = 153+ 156+ 169+ 163+ 166+ 158+ 162+ 167+ 166+ 180 / 10

Average height = 1640 / 10

Average height = 164

So the average height of 10 students is 164.