B. 22
. What is the mean?
A. 21.4
B. 22.4
C. 23.4
. Which is not a measure of variability?
A.Range
B.Variance
C. Mode
In 20. 15. 8, 6,7, 5, the Range is
A.15
B.8
C. 20
A measure of variability which is obtained by extracting the so
A.Range
B.Standard Deviation C. Range
In 2, 3, 6, 8, 11, the variance is 10.8, what is the standard de
A 3.33
B.3.19
C. 3.29
A measure of how spread out a group of scores is
A. Central tendency B. statistics
工 C. variabi
.The simplest measure of variability is
A.Variance
B.Standard Deviation
C. Rarge
If the scores are very scattered, the data is
A heterogenous B. homogenous
C. unique​