Question # 1

The elimination of extreme scores at the bottom of the set has the effect of.

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Difficult to tell

Lowering the mean

Raising the mean

No effect

When a die and a coin are rolled together, all possible outcome are.

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2

36

12

6

The sun of the deviations of a set of n values from means is.

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Zero

Positive

Negetive

Least

As a generela rule, statisticians tend to use which of the following numebr of classes when arranging the data.

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Between 5 and 20

Fewer than 5

Between 1 and 5

More than 20

Students divided into different groops according to their intelligence will generate..

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Numerical data

Quantitive data

Qualitative data

None of these

The graph of mid points and frequency is called.

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Pie diagram

Bar diagram

Histogram

None of above

In a symmetrical distribution, mean , median and mode are always.

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Different

Zero

Identical

Negative

If every element of a set A is also an element of B, then A set is called.

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Subset of B

Sub set of A

Universal Set

Null Set

A random sample of 200 random digits is selected from a random number table. Expected number of zeros in the sample is.

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10

20

50

100

A device of representing statistical data in pictures.

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Pictograph

Pictogram

Cartoram

Both a and b

A sector diagram is also called.

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Angular diagram

Histogram

Pie diagram

Both a and c

When a die and a coin are rolled together, all possible outcome are.

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2

36

12

6

Extreme scores willhave the following effecton the median of an examination.

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They land to raise it

They may tend to lower it

They may have no effect on it

They tend to lower it

In fixed base method the base period should be.

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Normal year

Abnormal year

Fluctuatingyear

Both b and c

Sedondary data , grouped data and published data are.

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Antonymous terms

Synonymous terms

Opposite terms

Questionnaire method is used in the collection of.

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Constant

Variable

Parameter

Statistic

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Business Statistics Icom Part 2 English Medium Online Test MCQs With Answers

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