Question

The average of 5 nos is 120 later it was found that instead of entering correct value 15 data is wrongly entered as 5 find the new correct average

Answer 1

Step-by-step explanation:

5 nos avg is 120

given on value written as 5 instead of 15

so error is 15-5 = 10

10 /5 = 2

new correct avg = 120+2 = 122