The average height of 20 students in a class was
calculated as 160 cm. On verification it was found that
one reading was wrongly recorded as 132 cm instead
of 152 cm. Find the correct mean height.
calculate the arithmetic mean of the followi
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correct arithmetic mean is 161cm
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Answer:
161 cm
Step-by-step explanation:
The average height of 20 students in a class was calculated as 160 cm.
Now On verification it was found that one reading was wrongly recorded as 132 cm instead of 152 cm.
So, New sum = 3200-132+152 =3220
Hence the correct mean height is 161.
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