3.8 Shortcut Method for AM

Calculate the mean in a smart way

## [1] 1009 1037 1047 1024 1013 1043

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Subtract a number from all, say 1020

## [1] "The new values are"

## [1] -11  17  27   4  -7  23

## [1] "Mean of y is 8.83"

## [1] "Mean of x is 1028.83"