Question

4) Find the mean of 34, 15, 60, 75 and 45
5) The mean of observations x, X + 2, x + 4, x + 6 and x + 8 is 22
i) Find the value fx​

Answer 1

Answer:

4) Mean = 34+15+60+75+45

5

=229

5

= 45.8

5)i) x+x+2+x+4+x+6+x+8= 22

5

5x+20= 110

5x= 90

x= 18