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# Measures of Dispersion MCQ Class 11 Economics

Please refer to Chapter 6 Measures of Dispersion MCQ Class 11 Economics with answers below. These multiple-choice questions have been prepared based on the latest NCERT book for Class 11 Economics. Students should refer to MCQ Questions for Class 11 Economics with Answers to score more marks in Grade 11 Economics exams. Students should read the chapter Measures of Dispersion and then attempt the following objective questions.

## MCQ Questions Class 11 Economics Chapter 6 Measures of Dispersion

The Measures of Dispersion MCQ Class 11 Economics provided below covers all important topics given in this chapter. These MCQs will help you to properly prepare for exams.

Question. Which measure of dispersion has some desirable mathematical properties?
(a) Standard deviation
(b) Mean deviation
(c) Quartile deviation
(d) All these measures

A

Question. Which measure of dispersion is considered for finding a pooled measure of dispersion after combining several groups?
(a) Mean deviation
(b) Standard deviation
(c) Quartile deviation
(d) All these measures

B

Question. The mean and standard deviation of normal distribution are 60 and 5 respectively. What is the value of coefficient of variation?
(a) 12%
(b) 8.33%
(c) 55%
(d) 65%

B

Question. __________ and ___________ calculate the extent to which the values differ from the average.
(a) Range, Quartile Deviation
(b) Mean deviation, Standard deviation
(c) Range, Standard deviation
(d) Quartile Deviation, Mean deviation

B

Question. Range cannot be calculated for ________ of frequency distribution.
(a) inclusive series
(b) exclusive series
(c) unequal class intervals
(d) open-ended series

D

Question. __________ is the arithmetic mean of the differences of the values from their average.
(a) Range
(b) Quartile Deviation
(c) Mean Deviation
(d) Standard Deviation

C

Question. __________ cannot be calculated for open-ended distributions.
(a) Range
(b) Quartile Deviation
(c) Mean Deviation
(d) Standard Deviation

C

Question. __________ ignores the signs of deviations.
(a) Range
(b) Quartile Deviation
(c) Mean Deviation
(d) Standard Deviation

C

Question. _______ is the most commonly used relative measure of dispersion.
(a) Coefficient of Range
(b) Coefficient of Quartile Deviation
(c) Coefficient of Mean Deviation
(d) Coefficient of Variation

D

Question. Q1 and Q3 denote the two limits within which central ________ of the data lies.
(a) 25%
(b) 50%
(c) 75%
(d) 100%

B

Question. Average daily wage of 50 workers of a factory was `200 with a standard deviation of `40. If each worker is given a hike of 10% in wages, how will the mean wages be affected?
(a) The mean wage will increase by 10%.
(b) The mean wage will be `220.
(c) Both (a) and (b)
(d) The mean wage will remain unchanged.

C

Question. __________ and ___________ measure the dispersion by calculating the spread within which the values lie.
(a) Range, Quartile Deviation
(b) Mean deviation, Standard deviation
(c) Range, Standard deviation
(d) Quartile Deviation, Mean deviation

A

Question. If you have secured 82 percentile in a management entrance examination, it means that your position is below __________ of total candidates appeared in the examination.
(a) 82 per cent
(b) 18 per cent
(c) 8 per cent
(d) 2 per cent

B

Question. Which of the following statements is correct?
(a) Two distributions may have identical measures of central tendency and dispersion.
(b) Two distributions may have the identical measures of central tendency but different measures of dispersion.
(c) Two distributions may have the different measures of central tendency but identical measures of dispersion.
(d) All the statements (a), (b) and (c)

D

Question. Which one is easier to compute?
(a) Relative measures of dispersion
(b) Absolute measures of dispersion
(c) Both (a) and (b)
(d) Range

D

Question. Which one is an absolute measure of dispersion?
(a) Range
(b) Mean Deviation
(c) Standard Deviation
(d) All these measures

D

Question. Which measure is based on only the central fifty percent of the observations?
(a) Standard deviation
(b) Quartile deviation
(c) Mean deviation
(d) All these measures

B

Question. Which measure of dispersion is based on all the observations?
(a) Mean deviation
(b) Standard deviation
(c) Quartile deviation
(d) Both (a) and (b)

D

Question. __________ is calculated on the basis of the mean only.
(a) Range
(b) Quartile Deviation
(c) Mean Deviation
(d) Standard Deviation

D

Question. _______ is the most widely used measure of dispersion.
(a) Range
(b) Quartile Deviation
(c) Mean Deviation
(d) Standard Deviation

D

Question. The appropriate measure of dispersion for open-end classification is:
(a) Standard deviation
(b) Mean deviation
(c) Quartile deviation
(d) All these measures

C

Question. Dispersion measures _________.
(a) The scatterness of a set of observations
(b) The concentration of a set of observations
(c) Both (a) and (b)
(d) Neither (a) nor (b)

A

Question. The lower & upper quartiles are used to define:
(a) Standard deviation
(b) Mean deviation
(c) Quartile deviation
(d) All these measures

C

Question. Less than First quartile, the frequency is equal to:
(a) N/4
(b) 3N/4
(c) N/2
(d) None of these

A

Fill up the blanks.

Question. The second Quartile (denoted by Q2) is called ________.

median

Question. The quartiles of a variable are 45, 52 and 65 respectively. Its quartile deviation is ________.

10

Question. ________ is equal to value corresponding to cumulative frequency (N + 1)/2 from simple frequency distribution.

Median

Question. The degree of variation is designated as_______ (absolute measure/relative measure) of dispersion.

relative measure

Question. Coefficient of variation is ______. (absolute measure/relative measure)

relative measure

Question. ________ is also called semi-interquartile range.

Quartile deviation

Question. ____________ divide the distribution into hundred equal parts, so you can get __________ dividing positions.

Percentiles, 99

Question. P50 is the ________ value.

median

Question. ________ is defined as half the difference between the lower & upper quartiles.

Quartile deviation

Question. For purposes of comparison between two or more series with varying size or number of items, varying central values or units of calculation, only ________ (absolute measures/relative measures) of dispersioncan be used.

relative measures

Question. The square of standard deviation is known as _______.

variance

True/False.

Question. Standard deviation is Independent of Origin.

True

Question. The value of the standard deviation will change if any one of the observations is changed.

True

Question. Standard deviation is independent of scale.

False

Question. The number of observations smaller than lower quartile is the same as the number lying between lower and middle quartile.