Question # 1

The value of quartile deviation is always

Choose an answer

Positive

Zero

Negative

None of these

Which of the following measures of dispersion is independent of the units employed.

Choose an answer

Standard deviation

Quartile deviation

_{Coefficient of variation}

Variance

The distribution is positively skewed if.

Choose an answer

Mean < Mode

Mean > Mode

Mean > Median

Both b and c

Which measure of disperesion is considered as the best genereal purpose measure of dispersion.

Choose an answer

Range

Semi interquartile range

Standard deviation

Mean deviation

Mean deviationis always.

Choose an answer

More than S.D.

Equal to S.D.

Less than S.D.

None of these

For a symmetrical distribution.

Choose an answer

B1 = 0

B1 = 3

B2 = 3

B3 = 3

Co-efficent of quartile deviation can be calculated by the following formula

Choose an answer

Which of the following is a relatie measure of dispersion.

Choose an answer

Standard deviation

Variance

Coefficient of variation

All of these

The mean deviation is least if deviations are taken from

Choose an answer

A.M

Mode

G.M

Median

The mean of the absolute deviations of observations from mean, median or mode is called

Choose an answer

Quartile deviation

Absolute deviation

Mean

Mean deviation

For Laptokurtic distribution.

Choose an answer

b2 > 3

b2 < 3

b2 = 3

b1 > 3

Mean deviation = S.D

Choose an answer

2/3

4/5

5/6

6/5

The distribution is symmetrical if the moment coefficient of skewense b1 is.

Choose an answer

Negative

Postive

3

0

Karl Pearson's 1^st co-efficient of skewness is given by formula

Choose an answer

None of these

The variance expresses the variability of data in ................ as unit of data.

Choose an answer

Square of unit

Squaare root of unit

Same unit

All of these

Second moment abut mean is.

Choose an answer

0

1

variance

Standard deviation

test2

Choose an answer

3

4

2

The difference between largest and smallest observation is called

Choose an answer

Interval

Class interval

Range

Difference

More Classes

Other Links

Statistics Ics Part 1 Chapter 4 Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer