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Question-1
∑ x stands for _____________.
(A)
All the values of the series
(B)
Total of all frequencies
(C)
Sum of all observations
(D)
None of these
Question-2
The formula for computing the mean of the first and natural numbers would be ____________.
(A)
(n+1)/2
(B)
(n-1)/2
(C)
n/2
(D)
None of thee
Question-3
Weighted arithmetic mean is useful for computing _____________.
(A)
Index numbers
(B)
Standardization of births
(C)
Standardization of death
(D)
All of these
Question-4
The most frequently occurring frequency is ___________.
(A)
Mean
(B)
Median
(C)
Mode
(D)
None of these
Question-5
Which of the following is a mathematical property of arithmetic mean ____________.
(A)
Least sampling variability
(B)
Equal weight to all items
(C)
Mean of two series can be combined
(D)
None of these
Question-6
The median of a series is 20 and 12 and 22 were added to the observation. The new median of the series would be
(A)
12
(B)
20
(C)
22
(D)
None of these
Question-7
____________ is a positional average
(A)
Mean
(B)
Median
(C)
Standard deviation
(D)
Lorenz curve
Question-8
∑x/N is the formula for computing _____________.
(A)
Mean
(B)
Median
(C)
Mode
(D)
None of these
Question-9
____________ is a portion value that divides a series into 10 equal parts.
(A)
Mean
(B)
Quartiles
(C)
Deciles
(D)
Percentiles
Question-10
The graphical representation of mode deals with _____________.
(A)
Frequency curve
(B)
Frequency rectangles
(C)
Cumulative frequency curve
(D)
Frequency polygon
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Plus 1 Humanities
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Definitions, Nature and Scope of Economics
Types of Economics
Introduction to Statistics
Definition of Economics
Basic Problems of an Economy
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