Question

11. Find the mean of the numbers:
4-7, 9-1, 6-4,5-9, 9-4, 8-5, 8-6 and 7-6​

Answer 1

Answer:

mean is 1.75

Step-by-step explanation:

the observations are -3,8,2,-4,5,3,2,1

in ascending order -4,-3,1,2,2,3,5,8

mean =-4-3+1+2+2+3+5+8/8

=14/8

mean=1.75