Top 150+ Solved Psychological Statistics MCQ Questions Answer
Q. In discrete series, items having ____ frequency is taken as mode.
a. Highest
b. Lowest
c. Medium
d. Average
Q. Measure of variation of the items from some central value is referred to as
a. Deviation
b. Dispersion
c. Difference
d. Doth (a) and (c)
Q. Which of the following is not a measure of dispersion?
a. Range
b. Quartile deviation
c. Median
d. Mean deviation
Q. _____ is the simplest possible measure of dispersion.
a. Mean deviation
b. Quartile deviation
c. Standard deviation
d. Range
Q. _____ is defined as half the distance between the third quartile and the firstquartile.
a. SD
b. QD
c. MD
d. range
Q. _____ is defined as the arithmetic mean of deviations of all items in a seriesfrom their average.
a. Quartile deviation
b. Mean deviation
c. Range
d. Standard deviation
Q. The standard deviation of the series 5, 8, 7, 11, 9, 10, 8, 2, 4, 6 is
a. 2.646
b. 2.466
c. 2.664
d. 2.7
Q. The mean deviation from mean for the values 25, 63, 85, 75, 62, 70, 83, 28,30, 12 is
a. 22.64
b. 23.64
c. 20.36
d. 20.64
Q. Standard deviation when expressed as percentage ratio to ____ we getcoefficient of variation.
a. Mean
b. Median
c. Coefficient of MD
d. Coefficient of SD
Q. While finding deviation from average, the sign is ignored in
a. Standard deviation
b. Mean deviation
c. Quartile deviation
d. Coefficient of mean deviation
Q. In a symmetrical frequency distribution, the number of items above andbelow the mean would be
a. Same
b. Not the same
c. Equal to the mean
d. More or less same
Q. In a symmetrical distribution, mean, median and mode lie at the ____ of the distribution
a. Left
b. Right
c. Centre
d. Either (a) or (b)
Q. For a frequency distribution, what will be the mean if median=132.8 and mode=141.3 ?
a. 128.55
b. 125.55
c. 120
d. 122
Q. The word Statistics is derived from ……………….
a. Latin word ‘Status’
b. Italian word ‘Statista’
c. German word ‘Statistik’
d. All of the above