2 years ago

Someone please help me! GIVING BRAINLIST TO FIRST RIGHT ANSWER

Mathematics

1 answer:

grin007 [14]2 years ago

5 0

Answer:

A. The mean is increased by 3

Step-by-step explanation:

2 + 9 + 11 + 10 + 3 + 5 + 4 + 12 = 56/8 = 7

2 + 9 + 11 + 10 + 3 + 5 + 4 + 12 + 34 = 90/9 = 10

10 - 7 = 3

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