Question # 1

The most central value of an arrayed data is.

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Mode

Median

Mean

Harmonic mean

Departure from symmetry is called.

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Kurtosis

Skewness

Dispersion

None of these

The most frequent value of the data is called

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Median

Mode

Mean

H.M

The suitable average for shoe or collar size is.

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Geometric mean

Arithmetic mean

Mode

Median

What is teh major assumption we make when computing a mean from grouped data.

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All values are discrete

Eveery value in a class is equal to the midpoint

No value occurs more than once

Each class contains exactly the same number of values

In case of positively skewed distribution the extreme values lie in the.

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Middle

Left tail

Right tail

Any where

The mean of a constant 'a' is

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0

a/2

a²

None of these

The letter used as a symbol for population mean is

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μ_-

Φ

x

σ

In which of these cases would the mode be most useful as an indicator of central tendency.

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Every value in a data set occurs exactly once

All but three values in a data set occur once, three valeus occur 5 times each

All values in a data set occur 10 times each

Every observation in a data set has the same value.

The third quartile is also called

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75^th percentile

Upper quartile

5^th deciles

Both (a) and (b)

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

Median divides the data into

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2 parts

3 parts

4 parts

10 parts

The median for the data 2, 4, 6, 8, 10, 12 is

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5

8

7

10

Which of the following is not based upon all the observations.

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A.M

G.M

H.M

Mode

For positive skewed distribution mean _________ Median __________ Mode.

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=

<

>

None of these

When calculating the average rate of debt growth for a company, the correct mean to use is.

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Arithmetic mean

Weigheted arthmetic

Geometric mean

None of these

The sum of squared deviation is minimum, when deviation are taken form

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Mean

Median

Mode

None of these

Which is the suitable average for calculting average percent increase in population.

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Median

Geometric mean

Mean

Harmonic mean

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Statistics Ics Part 1 Chapter 3 Online Test MCQs With Answers

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