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Online Tests
Statistics Ics Part 1 Online Test MCQs With Answers
Question # 1
If X and Y are random varaibes, than E ( X - Y) is equal to.
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E(X) + E (Y)
E(X) - E(Y)
X - E (Y)
E(X) - Y
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Question # 2
Histogramis a graph of.
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Qualitative data
Time sereis
Ogive
Frequency distribution
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Question # 3
The whole issue of descriptive and inferential statistic can be described with the help of.
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Statistical analysis
Statistic
Statistical problem
Statistical steps
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Question # 4
A fair coin tossed four times, the probability of getting four heads is.
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1
1/4
1/2
1/10
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Question # 5
Random numbers are generated from the single digit numbers.
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{ 1,2,3,............. 10 }
{ 0, 1,2,.......................... 10}
{ 0,1,2.............}
{0,1,2,............. 9}
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Question # 6
Waht is the probability that a ball drawn at random from the bag is.
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0.1
0.4
1.0
Cannot be determined from given information
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Question # 7
The standard deviation of a binomial distribution depends on.
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Probability of success
Probabiliyt of failure
Number of trials
Both a and c
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Question # 8
Which set has teh maximum varaition?
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46,48,50
30,40,50
40,50,60
48,48, 49
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Question # 9
The purpose of the sample is to draw inference about:
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statistic
Population
Parameter
Primary
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Question # 10
Mean of hypergeometric distribution is
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mN/k
nK/N
k/nN
Nk/n
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Question # 11
A hypergometric random variable is a (an)
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Independent variable
Continuous random variable
Discrete random variable
None of these
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Question # 12
Total angle of pie-chart is.
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270
o
300
o
320
o
360
o
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Question # 13
Registration is the source of.
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Ogive
Secondary data
Primary data
Histogram
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Question # 14
Value of commodity can be calculate by the formula
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P
o
x P
n
Price x volume
Price x quantity
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Question # 15
When calculating the average rate of debt growth for a company, the correct mean to use is.
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Arithmetic mean
Weigheted arthmetic
Geometric mean
None of these
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Question # 16
The numebr of classes in a frequency distribution is obtained by dividing the range of variable by the.
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Total frequency
Class interval
Relative freqeuncy
Mid -points
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Question # 17
The average of lower and upper class limits is called.
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Class boundary
class frequency
Class mark
Class limit
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Question # 18
The range of the scores 19,3,140,25,95,is
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140
137
143
3
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