Respuesta :

Answer: B, 7

Step-by-step explanation: Mean is adding all numbers then dividing so 4 + 6 + 6 + 7 + 7 + 8 + 8 + 8 + 9 is 63 and then divide it by the total numbers (9)

63 divided by 9 is 7

7 is the mean, or B
you add all them together and get 63 then divide by 9 and you get 7

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