Question # 1

The sum of the deviation form mean of a set of an value is

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least

0

positive

None of these

Which of the following average is effected by extreme values.

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Median

Mode

Arithmetic mean

All of these

For positive skewed distribution mean _________ Median __________ Mode.

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=

<

>

None of these

The suitable average for shoe or collar size is.

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Geometric mean

Arithmetic mean

Mode

Median

The mean of a constant 'a' is.

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0

a/2

a²

P₇₅

Sum of squares of deviations of the valeus is least when deviations are taken fro.

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Median

Mode

Mean

Harmonic mean

For a certain distribution if Σ(x -10) = 5, Σ(x -20) =18 & Σ(x -15) = 0 then the value of Σ is.

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10

15

20

25

The man of 10 observations is 10. All obvervations are increased by 10%. The mean of the increased observations shall be.

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10

11

20

100

The mode of letters in the word STATISTICS is:

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S

T

I

S & T

Code method of calculation is only used in:

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Median

Combined mean

A.M

None of these

The estimate of population means is represented by

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μ

Ψ

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

Which pair of measures cannot be calculated when one of numbers in the seriesis zero.

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G.M and A.M

G.M and H.M

H.M and A.M

None of these

When referring to a curve whose longer tail is to the right, you would call it.

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Symmetrical

Positively skewed

Negatively skewed

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

If X = 0,2,2,4,8,10, then G.M is.

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4

8

10

zero

The third quartile is also called

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75^th percentile

Upper quartile

5^th deciles

Both (a) and (b)

50^th percentile is also called as

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Mean

Mode

Average

Median

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Statistics Ics Part 1 Chapter 3 Online Test MCQs With Answers

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