Math, asked by lillym, 5 months ago

The mean of 20 numbers was found to be 38. Later it was discovered that a number 64 was misread as 46. Find the correct mean of the numbers.

Answers

Answered by manjul19680
2

Step-by-step explanation:

total sum of 20 numbers = 20*38 = 760

new sum = 760-46+64 = 778

hence new average = 778/20 = 38.9

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