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Statistics Ics Part 1 Online Test MCQs With Answers
Question # 1
In a skewed distribution the three averages man, median & mode are.
Choose an answer
identical
different
0
equal 1
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Question # 2
In which distribution the successive trials are with replacement
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Hypergeometric
Binomial distribution
Continuous distribution
Discrete distribution
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Question # 3
Important bases of classification are.
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Two
Three
Four
More than four
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Question # 4
In a binomial expreiment with three trials, the variable can take.
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2 Values
3 Values
4 Values
5 Values
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Question # 5
The sum of squared deviation is minimum, when deviation are taken form
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Mean
Median
Mode
None of these
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Question # 6
Var (B/aX) =?
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1/aVar(X)
b
2
/a
2
Var(X)
b
2
/a Var(X)
None of these
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Question # 7
P (A/B) can be evaluated by formula
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P(A∩B)/P(B)
P(A∪B). P(B)
(A∪B)/P(B)
P(A∩B)/P(A)
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Question # 8
When the base year values are used as weights, the weighted average of relatives price index is the same as.
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the paache's index
The laspeyres index
The unweighted average of relatives price index
None of these
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Question # 9
If n is the number of elements of a set. the total numebr of subsects of this set in
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2n
n2
2
n
n
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Question # 10
The probability of success ------------ from one trial to another when trials are dependent
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Remains constant
Is changed
One
Zero
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Question # 11
F (+∞) is always equal to:
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0
Two
One
None of these
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Question # 12
A graph of cumulative frequency is called:
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Histogeram
Frequency polygon
Ogive
Frequency curve
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Question # 13
The hypergeometric distribution has -------------- parameters
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One
Two
Three
Four
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Question # 14
Σ(Yi +a) = ?
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ΣY + na
aΣYi
aΣY
Σa
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Question # 15
A quantitative variable whose value are countable is called.
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Categorical variable
Continuous variable
Discrete variable
None of these
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Question # 16
the standard deviation is independent of.
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Change of origin
Change of scale of measurement
Change origin and scale of meaturement
None of these
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Question # 17
The properties of discrete probability distribution are:
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Σp (x) = 1 and Σx. (x) = 1
ΣP (x)= 1 and Σx. P
ΣP(x) = 1 and 0 < P(x) ≤ 1
All of these above
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Question # 18
Its value cannot be exactly examined.
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Ranodm variable
Fixed varaible
Mathematical variable
Variable
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