SOLUTION: The average of 10 items is 70.The number 66 was incorrectly read as 56 while calculating.Find the correct average.
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Question 770340: The average of 10 items is 70.The number 66 was incorrectly read as 56 while calculating.Find the correct average.
Answer by jam007(5) (Show Source): You can put this solution on YOUR website!
average of 10 items =70
=> Sum/10 =70
=> Sum =700
If a number 66 was incorrectly read as 56, the correct sum is = 700-56+66= 710
Therefore, the correct average = correct sum/n =710/10 =71
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