Question # 1

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

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Mean

Median

Mode

None of these

Mode of the sereis 2,2,2,3,3,3,2,3,3,4 is.

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3

2 and 3

4

None of these

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.

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

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

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4 skew

2 skew

Symmetrical

All of these

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

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Median

Geometric mean

Mean

Harmonic mean

If the mean is less than mode, the distribution is.

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Positively skewed

Negatively skewed

Symmetrical

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 square of deviations of the observations from their mean is

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Minimum

Maximum

Zero

None of these

The mean of the first n natural numbers is.

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n(n+1)2

(n+1)/2

(n-1)/2

n/2

The mean is based on.

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Small values

Extreme values

All the values

Large values

The 5^th decile is always equal to

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1^st quartile

2^nd quartile

3^rd quartile

Both (a) and (b)

In symmetrical distribution mean, median & mode are always.

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zero

negative

Different

Equal

The mode of letters in the word STATISTICS is:

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S

T

I

S & T

The estimate of population means is represented by

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μ

Ψ

Which of the following average cannot be calculated from the observation 2,2,4,4,6,6,8,8,10,10

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Mean

Median

Mode

All of these

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Statistics Ics Part 1 Chapter 3 Online Test MCQs With Answers

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