Question

the mean of first four multiples of 3 is 7.5 true or false ​

Answer 1

Answer:

the first 4 multiples of 3 are 3,6,9,12

add then we get 30

required mean = 30/4 = 7.5

yes above statement is true

Answer 2

Answer:

True

Step-by-step explanation:

Mean of first four multiples of 3 = 3 + 6+ 9 + 12  /  4

 = 30/4 = 15/2 =7.5

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