Question

Find the value of 'Y' if the mean of the following date is 30.
13, 44, 15, 22, Y, 45, 19, 30, 18​

Answer 1

Answer:

hey u have to take the range

Answer 2

Answer:

13+44+15+22+Y+45+19+30+18/9 = 30 (Given)

57+37+Y+64+48 = 30×9

94+Y+112 = 270

206+Y = 270

Y = 270 - 206

Y = 64