Question

6. The mean of 30 numbers is 18. What will be the new mean if each
number is multiplied by 4?
O A
A) 72
OB) 4.5
O c) 12
O 0) 15​

Answer 1

Answer:

mean of 30 numbers = 18

so product =540

if each number is multiplied by 4 product =540×4=2160

so,the new mean=2160/30=72(a)

Step-by-step explanation:

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