941. The sum of deviations of values from their mean is always
A.1
B.0
C.2
D.3

942. The average of all observations in a set of data is known as
A.median
B.range
C.mean
D.mode

943. If the values taken by a random variable are negative, the negative values will have ___________
A. Positive probability
B. Negative Probability
C. May have negative or positive probabilities
D. Insufficient data

944. The variable that assigns a real number value to an event in a sample space is called ___________
A. Random variable
B. Defined variable
C. Uncertain variable
D. Static variable

945. The median in the set 6, 4, 2, 3, 4, 5, 5, 4 would be
A.3
B.6
C.5
D.4

946. Cumulative frequency polygon is also called
A.ogive
B.histogram
C.absicca
D.sigma

947. Mean ,median and mode are the part of
A.measures of central tendency
B.measures of dispersion
C.logarithms
D.proportions

948. The number of times each value appears is called the value’s
A.range
B.mode
C.frequency
D.standard Deviation

949. The three points that divides the set into 4 equal group are called
A.deciles
B.percentiles
C.quartiles
D.none of above

950. The difference between the largest value and the smallest value is called
A.mean
B.mode
C.range
D.median