1.

The mean of 40 numbers was found to be 38. Later on, it was detected that a number 56 was misread as 36. Find the correct mean of the given numbers.

Answer»

the sum to FIND the total40 X 38 = 1520Now if 53 should have been 35 then53-35= 18 this is the difference1520 - 18 = 1502The mean of 1502 for 40 numbers is 37.55Once the principles above are understood you can SIMPLIFY as follows∴  Mean=(38) Please can you mark me as a Brainliest .



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