Question # 1

In symmetrical distribution mean, median & mode are always.

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zero

negative

Different

Equal

Third quartile Q₃ =

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P₃₃

D₃

Median

None of these

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

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Formula

Curve

Tabular form

None of these

The data about the weights of plants:

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Discrete data

Qualitative data

Continuous data

Quantitative data

For negatively skewed distribution mean______ median ______mode.

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=

<

>

None to these

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

A fair coin is tossed five the times. The probability of getting zero head is.

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1/2

1/32

6

1/5

In the price relative, the given year price is divided by the _________.

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Base year price

Current year price

Previous year price

None of these

The grouped data is.

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Primary

Secondary

Raw data

None of them

When referring to a curve that tails off to the left end, you would callit.

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Symmetrical

Skewed to the right

Positively skewed

None of these

Which is the suitable average for calculting the average price at which articles are sold.

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Geometric mean

Arithmetic mean

Harmonic mean

Mode

P(A or B) = P (A∪B) = P(A) +P(B) then A and B are.

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Mutually exclusive

Independent events

Not mutually exclusive

Dependent

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)

A probability function is _________ function.

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Mathematical

Mathematical expectation

Converges

None of these

Which of the following statements is true.

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As a rule statisticians genereally use between 6 and 15 classes.

As a rule, statisticians regards a frequency distribution incomplete if it has fewer than 20 classes.

Classes describe only one characteristics the data ebign organized

None of these

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

Mean deviation is always.

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Less then S.D

Equal to S.D

More than S.D

Negative

In a hypergeometric distribution.

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Mean > Variance

Mean < variance

Mean = variance

Mean = Zero

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Statistics Ics Part 1 Online Test MCQs With Answers

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