The list gives the mass, in grams, of 5 alpine marmots. 4,010 ; 4,010 ; 3,030 ; 4,050 ; 3,050

Question

The list gives the mass, in grams, of 5 alpine marmots. 4,010 ; 4,010 ; 3,030 ; 4,050 ; 3,050 What is the mean mass, in grams, of these 5 alpine marmots?

Accepted Answer

The correct answer is 3,630 . The mean of a data set is the sum of the values in the data set divided by the number of values in the data set. The sum of the masses, in grams, of these alpine marmots is 4,010 + 4,010 + 3,030 + 4,050 + 3,050 , or 18,150 grams. The number of alpine marmots in the data set is 5 . Therefore, the mean mass, in grams, of these 5 alpine marmots is 18,150 5 , or 3,630 .

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