Question # 1

Probability distribution of a continuous random variable can be presented by

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tabular form

Formula

Curve

None of these

The most frequent value of the data is called

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Median

Mode

Mean

H.M

Which of the following cannot be probability of an event.

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0

1

0.32

1.00

The hypergeometric distribution is used when trials are

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Dependent

Independent

Equally likely

Mutually exclusive

If a player well shuffles the pack of 52 playing card, then the probability of a black card form 52 playing cards is:

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1/52

13/52

26/52

4/52

For symmetrical distribution mega 3 is.

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zero

1

2

3

The data whiich have not undergone any statistical treatment are.

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Primary data

Secondary data

Qualitative data

Discrete data

When three coins are tossed simulatneously, P(3 heads) is.

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3/8

1/2

1/8

1/4

For a certain distribution if Σ(x -10) = 5, Σ(x -20) =18 & Σ(x -15) = 0 then the value of Σ is.

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10

15

20

25

Total angle of pie-chart is.

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270 ^o

300^o

320^o

360^o

Geometric mean can be calculated by formula

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Weight of whole earth is.

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Discrete variables

Qualitative variable

Constant

Continuous variable

The variance of 5,5,5,5,5 is.

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0

25

5

125

The mid point of group 5.5 - 7.5 is.

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6

7

7.5

6.5

The probability distribution of discrete random variable is called is

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Frequency distribution

Probability distribution

Probability mass function

Both (a) and (b)

When a pair of dice is rolled, the sum of upperemost dots vary from.

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0 to 10

1 to 11

2 to 19

2 to 12

When statistics is applied in Biology then it is called:

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Econometrics

Statistical inference

Statistical biology

Biometry

Fist moment about origin in is always equal

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Mean

Variance

Zero

1(One)

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