Question # 1

A binomial random variable can assume the values

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1,2......n

0,1,2......00

0,1,2......n

2,4,6,8,10

Mode 2, 10 and 7 is.

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2

7

10

None of these

The distribution is measokurtic if the moment coefficient of of kurtosis b2 is.

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Equal to 0

Equal to 3

Less than 3

Greater than zero

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

The repeated trials of binomial experiments are

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Dependent

Independent

Fixed

Variable

First hand collected data are called:

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secondary

Primary

Constant

Discrete

Relative depression is of types.

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1

4

3

2

Variance σ²is equal to E(y²) - --------------------

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E(y)

[E(y)]²

E(y)²

E² (y)

The number of ways in which a person enters by oe door and leaves by a different door in a room with three doors is.

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6

9

5

None of these

Which of the following statements is true of cumulative frequency polygons or ogives for a particular set of data.

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Both less than and or more curves have the same shape

Or more curves slope up and to the right

Less than curve slope down and to the right

Less than curve slope up and to the right

^AP₃is equal to.

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3!

4!

5!

6!

The letter μ is

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German

Latin

Greek

None of these

Classification of data by their time of occurrence is called.

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Temporal or choronologicla classification

Geographical classification

Quantitative classification

Qualitative classfication

In a binomial expreiment with three trials, the variable can take.

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2 Values

3 Values

4 Values

5 Values

If x and y are independent random variables, then E(xy)

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E(xy)

xE(y)

E(x)

E(x)E(y)

The procedure of inferring about the population characteristic using the sample is called________.

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Descriptive statistic

Inferenitial statistics

Statistic

Science

50^th percentile is also called as

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Mean

Mode

Average

Median

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

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Statistics Ics Part 1 Online Test MCQs With Answers

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