Question # 1

Var (3x+2)

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3Var(x) + 2

9Var(x) +2

Var (x) + 0

3Var (X)

Tossing two dice possble sampes are.

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2

6

12

36

Subset of sample space is called

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Event

Simple event

Compound event

Experiment

The mid point of group 5.5 - 7.5 is.

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6

7

7.5

6.5

Binomial distribution is positively skewed

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P < 1/2

P > 1/2

P = 1/2

P < q < ¹/₂

In 60- 70 , the lower limit is.

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50

55

60

70

Mean, Median and mode of binomial distribution can be equal if

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P < q < 1/2

P > q < 1/2

P ≠ q

probability distribution of a continuous random variable can be presented by.

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Formula

Curve

Tabular form

None of these

A coin is tossed 3 times then, then number of sample points in the sample space is:

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2³

3

8

Both A & C

What is the probability that a value chosen at random from a particular population is larger than the median of the popultion.

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0.25

0.5

1.0

0.67

The frequency of a class divided by total frequency is called.

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Class frequency

Cumulative

Relative freqeuncy

Total frequency

The weights used in a quantity index are

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Percentage of total quantity

Prices

Average of quantities

None of these

E(x) = Σxf(x) if it ________ absolutely.

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Equal

Converges

Discrete

None of these

Theoretically best average used in the construction of composite index in

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The arithmetic mean

The geometric mean

The median

The harmonic mean

In a fixed base method which period is taken always 100

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Preceding

Following

Base

Current

Total angle of pie-chart is.

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270 ^o

300^o

320^o

360^o

The mean of a binomial distribution depends on.

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Parability of success

Parababilyt of failure

Number of trials

Both a and c

The probability of red card out of 52 cards is.

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1/4

1/2

4/52

zero

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Statistics Ics Part 1 Online Test MCQs With Answers

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