The geometric mean of 10 observations on a certain variable was calculated as 16-2 was later discovered that one of the observations was wrongly recorded as 12-9, in fact it was 21-9. Apply...

Extracted text: The geometric mean of 10 observations on a certain variable was calculated as 16-2 was later discovered that one of the observations was wrongly recorded as 12-9, in fact it was 21-9. Apply appropriate correction and calculate the correct geometric mean..