Question # 1

Which of the following average is effected by extreme values.

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Median

Mode

Arithmetic mean

All of these

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

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

Sample mean is an

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Estimated statistic

Updating statistic

Biased statistic

Unbiased statistic

If any value in a sereis is zero, then we cannot calculate the.

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Mean

Median

Mode

Harmonic mean

Median divides the data into

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2 parts

3 parts

4 parts

10 parts

Which average cannot be computed if any value is less than zero.

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G.M

Median

Mode

A.M

The formula for the lower quartile is

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

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Mean

Geometric mean

Harmonic mean

Weighted mean

The letter used as a symbol for population mean is

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μ_-

Φ

x

σ

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

The median of - 3, 0, -5 , is.

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-3

0

-5

Does not exist

Departure from symmetry is called.

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Kurtosis

Skewness

Dispersion

None of these

The mode of letters in the word STATISTICS is:

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S

T

I

S & T

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

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5

8

7

10

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

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Negative

Positive

Zero

Impossible

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

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Median

Mode

Mean

Harmonic mean

The suitable average for shoe or collar size is.

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Geometric mean

Arithmetic mean

Mode

Median

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Statistics Ics Part 1 Chapter 3 Online Test MCQs With Answers

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