Question

If the mean of the data set is 3 puppets, find the number of puppets Marco made.​

Answer 1

4

Explanation:

mean = total / number of participants

mean = 3

total = 1+4+3 +? = 8 +?

number = 4

Answer 2

x = 4

Explanation:

M = (1 + 4 + 3 + x)/4

3 = (1 + 4 + 3 + x)/4

12 = 1 + 4 + 3 + x

12 = 8 + x

x = 12 - 8

x = 4