for the set of 10,12,14,14,15,18,19,20,21,25?

Question

pls. compute for the absolute range, quartile deviation, average deviation, standard deviation, variance deviation.. pls. help me this is my assignment in basic statistics..

Answer 1

10 -6,8 46,24
12 -4,8 23,04
14 -2,8 7,84
14 -2,8 7,84
15 -1,8 3,24
18 1,2 1,44
19 2,2 4,84
20 3,2 10,24
21 4,2 17,64
25 8,2 67,24

average=16,8
n=10


s=Standart deviation
=sqrt(189,6/10)
=4,35


variance=s^2=18,96