Range is the measure of dispersion which is used for the following purpose.
A. Only 1
B. Only 2
C. Both 1 and 2
D. None of the above
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If you want to check the uniformity of your students in terms of knowledge, which one test based on statistics would you consider for this purpose?
A. Standard deviation
B. Median
C. Mean
D. Mode
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The sum of squares of the deviations is minimum, when deviations are taken from:
A. Mean
B. Mode
C. Median
D. Zero
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Generally mode is equal to
A. 5 median - 4 mean
B. 4 median - 3 mean
C. 3 median - 2 mean
D. 2 median - 1 mean
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A common test in research demands much priority on:
A. Reliability
B. Useability
C. Objectivity
D. All of the above
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A report that accumulates information about entire organisation and serves the interest of outsiders as well is called-
A. Enterprise report
B. Control report
C. Investigation report
D. Budget report
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The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of variation.
A. 60.4%
B. 35.71%
C. 70%
D. 280%
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Which of the following report does provide us the rational findings?
A. Informative
B. Interpretative
C. Routine
D. Progress
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If x is a random variable and 'a' and 'b' are constants, then Var (ax + b) is
A. (a + b) Var (x)
B. (a2 + b2 ) Var (x)
C. ab Var (x)
D. a2 Var (x)
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The two tails of the normal distribution . . . . . . . . the horizontal axis.
A. touches
B. never touches
C. sometimes touches
D. None of these
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Which of the following is restricted non-probability based sampling method?
A. Stratified sampling
B. Quota sampling
C. Cluster sampling
D. Systematic sampling
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The criterion which enables us to classify various sampling units into different strata is termed as . . . . . . . .
A. probability factor
B. stratifying factor
C. Both A and B
D. Neither A nor B
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The most appropriate average to be used to compute the average rate of growth in population is:
A. Arithmetic mean
B. Median
C. Geometric mean
D. Harmonic mean
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The limits of the population correlation is
A. r ± P.E.
B. r ± 3 S.E.
C. r ± 3 P.E.
D. None of these
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The independent variable in a regression line is:
A. Non-random variable
B. Random variable
C. Qualitative variable
D. None of the above
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Percentage bar diagram is similar to sub-divided bar diagrams. The only difference is
A. in percentage bars diagram length of bar are equal while it is unequal in sub-divided bar diagram
B. in percentage bars diagram width is equal while unequal in sub-divided bar diagram
C. Both A and B
D. None of the above
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Which of the following not true for binomial distribution?
A. The experiment is performed repeatedly
B. Outcome of random experiment results in the dichotomous classification of events
C. All trial are dependent
D. None of the above
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The equation Y = A + BX can show:
A. Regression line of Y on X
B. Regression line of X on Y
C. Both A and B
D. None of these
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Quartile deviation is-
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Statistical software packages for research in social sciences include:
A. SPSS
B. STATA
C. Mini Tab
D. All of the above
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