Question

if the mean of data is x,x+1,x+2,x+6 is 15/2,find x​

Answer 1

here's yr answer
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Answer 2

Answer:

Step-by-step explanation: x+x+2+x+6÷4 = 15÷2

4x+9= 15×4÷2

4x+9 = 30

4x= 30-9

4x= 21

x=21÷4