Respuesta :

altavistard

Answer:

50

Step-by-step explanation:

Adding up 20, 30, 40, 50, 60, 70, 80, we get 350.  There are 7 numbers in this set, so divide this 350 by 7.  We obtain the mean, 350/7 = 50 (Answer B)

Fashiondiva88

Answer:

Your answer would be: B) 50

To find the mean, you add all the numbers in the data set and divide them by how many numbers there are, which in this case it is 7.

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