Answer: 1+2+2+3+4+5+6+7+2+9 = 41 Total number = 10 so, mean deviation = sumation of X / Total number = 41 / 10 = 4.1 This the correct answer Thanks Reply
Answer:
1+2+2+3+4+5+6+7+2+9 = 41
Total number = 10
so,
mean deviation = sumation of X / Total number
= 41 / 10
= 4.1
This the correct answer
Thanks