A. Sum of observations / Number of observations
B. Highest value
C. Middle value
D. Product of values

A. 1/6
B. 1/12
C. 1/3
D. 1/36

A. 12
B. 24
C. 36
D. 18

A. 0
B. 1
C. 1/2
D. 3

A. 0
B. 1
C. 1/2
D. 2

A. Square of variance
B. Square root of variance
C. Double variance
D. Half variance

A. Central value
B. Spread of data
C. Frequency
D. Median

A. 0 to 1
B. 1 to 10
C. -1 to 1
D. 0 to 10

A. 2
B. 3
C. 4
D. 5

A. Highest value
B. Most repeated value
C. Middle value
D. Average value