The average of a collection of 20 measurements was
calculated to be 56 cm. But later it was found that a
mistake had occurred in one of the measurements which was
recorded as 64 cm, but should have been 61 cm. The correct
average must be
(a) 53 cm
(b) 54.5 cm
(c) 55.85 cm
(d) 56.15 cm
Answer Posted / mukherzee
( c ) 55.85 cm
Is This Answer Correct ? | 6 Yes | 2 No |
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