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Online Tests
Statistics Ics Part 1 Online Test MCQs With Answers
Question # 1
a measure of the chance that an uncertain event will occur.
Choose an answer
An experiment
An event
A probability
A trail
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Question # 2
If all the value of have equal importance,then we have to assigned certain values is such index number are called.
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Weighted index number
Un-weighted index
Both A and B
Average
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Question # 3
The word statistic was used first time by:
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Yule
Gottifried Achenwall
E.A.W Zimmermann
Baron
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Question # 4
If p = q = 1/2 then distribution is called.
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Postively
Skewed
Symmetrical
Negatively
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Question # 5
When sample space S is partitioned into some mutually exclusive events such that their union is sample space itself. Then the events are called
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Simple events
Compound events
Equally likely events
Exhaustive events
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Question # 6
teh most frequent value of the data if it exists is.
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A.M
G.M
Mode
Median
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Question # 7
F(y
1
) ≤ F(y
2
) if
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y
1
= y
2
Y
1
>y
2
y
1
≤y
2
y≥1/2
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Question # 8
If a is a constant then E(a) is equal to
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a
Square of a
Zero
2a
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Question # 9
Why are the outcomes of a coin tossing mutually exclusive.
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The outcome of any toss is not affected by teh outcome of those preceding it.
Both a head and a tail cannot turn up on any one toss
The probability of getting a head and the probability of getting a tail is the same.
All of these
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Question # 10
Subset of sample is called:
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Event
Simple event
Compound event
Experiment
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Question # 11
Teh suitable average for the qualitative data is.
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Mean
Mode
weighted mean
Geometric mean
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Question # 12
In which distribution the probabiliyt of success remains constant from triam to triail
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Hypergometric distribution
Binomiial distribution
Sampling distribution
Continuous distribution
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Question # 13
For a binomial distribution with n = 5 prob ( X = -2) is.
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0
Greater than zero
Less than zero
None of these
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Question # 14
Karl Pearson's 1
st
co-efficient of skewness is given by formula
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None of these
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Question # 15
For two independent random variables, Var(x) = 14 and Var(Y ) = 5, then var (X-y) is equal to.
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9
70
19
None of these
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Question # 16
An experiment which produced different outcomes even if it is repeated a large number of times, under similar conditions is called
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Event
Compound event
Random experiment
None of these
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Question # 17
The purpose of the sample is to draw inference about:
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statistic
Population
Parameter
Primary
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Question # 18
If the probability of success p = 0.4 for a parability Beronouli trial, the expression 7!/3!4! (0.4)2 (0.6)2 given the probility of getting.
Choose an answer
Exactly three sucoseeson in seven trials
Exactlyfour successin seven trials
Three or more successes in seven trials
Four or more successes in seven trials.
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