26. A variable that can
take only discrete set of integers or whole numbers i.e. The values are taken by jumps or breaks.
A. Discrete.
B. Continues.
C. Finite
variable.
D. Infinite
variable.
27. A systematic presentation of data classified
under suitable heads and sub heads and placed in column and rows.
A. Distribution.
B. Frequency
distribution.
C.
Classification.
D. Tabulation.
28 Tables are
classified according to purpose i.e. general purpose and special purpose
tables.
A. Log.
B. Statistical.
C. Mathematical.
D. Frequency.
29. If a variable can take on any value
fractional or integral within given interval.
A. Discrete
variable.
B. Finite variable.
C. Continuous
variable.
D. Infinite
variable.
30. The organization of a set of data in a table
showing the distribution of data into classes or groups together with the
number of observations in each class or group is called
A. Distribution.
B. Frequency
distribution.
C.
Classification.
D. Tabulation.
31.A curve showing changes in the value
of one or more items from one period of time to the next is known as
A.
Histogram.
B.
Graph
of time series.
C.
Ogive.
D.
Population
pyramid.
32. A graphic form of frequency distribution.
A.
Histogram.
B.
Graph
of time series.
C.
A
frequency polygon
D.
Population pyramid
33. The given set of all possible values
from which the variable takes on a value is called its
A. Sub set.
B. Group.
C. Constant.
A.
Domain.
31.If for a given problem, the domain of a
variable contains only one value, then the variable is referred to as
A.
Discrete
variable.
B.
Constant.
C.
Continues
variable.
D. Random variable.
35. Error which involves
the unit of measurement of true value of a variable is called a/an
A. Absolute
error.
B. Relative error.
C.
Percentage error.
D. Random error.
36. An absolute error divided by the true
value is called
A. Non random
error.
B. Relative
error.
C. Percentage error.
D. Random error.
37. When relative error is multiplied by 100 we have
A. Non
random error.
B. Standard error.
C.
Percentage error.
D. Random error.
38. An error has both magnitude and
A. Unit.
B. Volume.
C. Wight.
D.
Direction.
39. Error in statistics is
A. Chance inaccuracy.
B. Undermined.
C. Not
possible.
D. Constant.
40. An error is said to bias when observed value is consistently
and constantly higher or lower than the
A. Any fixed value.
B. True value.
C. A percentage value.
D. An average value.
41. Errors are
independent of the unit of the measurement
A.
Standard error.
B. Relative error and percentage errors.
C. Sampling error.
D. Non sampling error.
42. When errors are cumulative in nature i.e. the greater the
number of measurements the greater would be the magnitude of errors. These
errors are called
A. Cumulative or systematic error.
B. Cumulative and standard error.
C. Cumulative and sampling error.
D. Cumulative and true error.
43. When the deviations
from true value tend to occur equally often, an error is said to be
A. Biased.
B. Standard error.
C. Unbiased.
D. Non sampling error.
44. Accidental error or random errors or compensating errors
which tend to cancel out
A. Immediately.
B. In long run.
C. In stages.
D. One after the other.
45. Zeros are significant if they fallow a decimal point
A. And commence a number.
B. And conclude a unit.
C. And conclude a number.
D. And conclude a sum.
46. Zeros are non
significant when they fallow a decimal point
A. And commence a number.
B. And conclude a unit.
C. And conclude a number.
D. And conclude a sum.
47. Zeros may or not be significant when they lie entire to
A. The right of the decimal point.
B. The right of the value and near a decimal
point.
C. The right
of the value and far from a decimal point.
D. The left of the decimal point.
48.75400 can have 3 significant digits when written in standard
notation as
A. 7.54Χ104 .
B. 7.5400 Χ104 .
C. 7.54000 Χ104 .
D. 7.5400 00Χ104 .
49. 75400 can have five
significant digits when written
A. 7.54Χ104 .
B. 7.5400 Χ104 .
C. 7.54000 Χ104 .
D. 7.5400 00Χ104 .
50. Zeros are always significant when they occur within a series
of significant digit i.e. 20.3, 0.1001, 4.00507, have
A. 2, 1 and 1 significant digits.
B. 1, 2 and 2 significant digits.
C. 2, 4 and 3 significant digits.
D. 3, 4 and 6 significant digits.
|
26
|
A
|
27
|
D
|
28
|
B
|
29
|
C
|
30
|
B
|
|
31
|
B
|
32
|
C
|
33
|
D
|
34
|
B
|
35
|
A
|
|
36
|
B
|
37
|
C
|
38
|
D
|
39
|
A
|
40
|
B
|
|
41
|
B
|
42
|
A
|
43
|
C
|
44
|
B
|
45
|
C
|
|
46
|
A
|
47
|
D
|
48
|
A
|
49
|
B
|
50
|
D
|
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