Question

Find the value of x so that the data set has the given mean
14,10,17,19, x; mean 14

Answer 1

x=10

Explanation:

The mean is all the numbers added up, and divided by the number of terms, so

14+10+17+19+x/5

And, we know that the expression above must equal 14

14+10+17+19+x/5=14

Solve, first by multiplying by 5 on both sides

14+10+17+19+x=70

Add on the left side

60+x=70

Subtract 60 from both sides

x=10

Hope this helps! :)