Question

Average of 18.5,24.6,x,15.9,16.8 is 20. What is the value of x

Answer 1

Step-by-step explanation:

average = sum of the observations/ no. of observations

so 18.5+24.6+x+15.9+16.8/5=20

75.8+x/5=20

x =24.2

therefore.. x=24.2