Question # 1

Sample mean is an

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Estimated statistic

Updating statistic

Biased statistic

Unbiased statistic

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

Which is appropriate averege for finding the average speed of a journey.

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Mean

Geometric mean

Harmonic mean

Weighted mean

In symmetrical distribution mean, median & mode are always.

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zero

negative

Different

Equal

Departure from symmetry is called.

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Kurtosis

Skewness

Dispersion

None of these

If mean = 40 , Mdoe - 42 , then distributiion is.

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4 skew

2 skew

Symmetrical

All of these

The mode of letters in the word STATISTICS is:

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S

T

I

S & T

Third quartile Q₃ =

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P₃₃

D₃

Median

None of these

In a symmetrical distribution Q₁ = 20, Median = 30 the Q₃ is:

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50

40

30

60

Which of the following average is effected by extreme values.

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Median

Mode

Arithmetic mean

All of these

The sum of square of deviations of the observations from their mean is

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Minimum

Maximum

Zero

None of these

When all the values in a sereis occur the same numebr of times, then it in not possible to compute the.

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Mean

Median

Mode

Weighted mean

The third quartile is also called

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75^th percentile

Upper quartile

5^th deciles

Both (a) and (b)

When a distribution is symmetrical and has one mode, the highest point on the curve is called the.

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Mode

Median

Mean

All of these

The mean of a constant 'a' is

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0

a/2

a²

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

For the given data 2,3,7,0,-8 G.M will be.

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Negative

Positive

Zero

Impossible

Code method of calculation is only used in:

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Median

Combined mean

A.M

None of these

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Statistics Ics Part 1 Chapter 3 Online Test MCQs With Answers

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