CBSE Questions for Class 11 Commerce Economics Measures Of Central Tendency Quiz 13 - MCQExams.com

Sum of squares of deviation of $$10$$ observations measured from $$5$$ is $$17$$ and sum of squares of observations is $$170$$ then mean of observation is
  • $$40.3$$
  • $$4.5$$
  • $$4$$
  • $$4.03$$
  • $$4.3$$
A distribution, where the value of arithmetic mean is maximum as compared to median and mode, is
  • Normal distribution
  • Positively-skewed distribution
  • Negatively-skewed distribution
  • None of these
Which of the following is true in relation to assumed mean method?
  • Any value, whether existing in the data or not, can be taken as assumed mean.
  • In order to simplify the calculation, centrally located value in the data can be selected as assumed mean.
  • Both A and B
  • None of these
A measure of central tendency means -
I. Representative of a set of data.
II. A single figure which is representative of whole distribution.
III. An average of a distribution.
  • I
  • II
  • III
  • All of the above
Calculate Median value from the following frequency distribution:
X35791113
Y(Frequency)435233
  • 6.5
  • 6
  • 5.5
  • 7
What is the class mark of the class interval-(80-90)?
  • 82.5
  • 90
  • 80
  • 85
How many Deciles are there in a distribution?
  • $$9$$
  • $$11$$
  • $$10$$
  • $$4$$
"An average is a single value within the range of data that is used to represent all values in the series. Since an average is somewhere within the range of the data, it is also called a measure of Central Value". This definition is given by _________________.
  • Croxton and Cowden
  • Simpson and Kafka
  • Clark and Sekkade
  • Murry R. Spiegal
"An average is an attempt to find one single figure to describe the whole of figures". This definition is given by ________________.
  • Croxton and Cowden
  • Simpson and Kafka
  • Clark and Sekkade
  • Murry R. Spiegal
If the 2nd term of a GM series is 25, the first and 3rd terms will be _____.
  • 5,125
  • 105,5
  • 5,105
  • 25,125
"A measure of central tendency is a typical value around which other figure congregate". This definition is given by ________________.
  • Croxton and Cowden
  • Simpson and Kafka
  • Clark and Sekkade
  • Murry R. Spiegal
Which of these is not affected by extreme values?
  • Mean
  • Mode
  • Median
  • Standard deviation
Deciles are the values dividing a given set of observation into _______ parts.
  • 100
  • 4
  • 10
  • 5
Measures of central tendency for a given set of observations measures:
The scatteredness of the observations
The central location of the observations 

Select the correct answer from the options given below.
  • $$1$$ only
  • $$2$$ only
  • Both $$1$$ and $$2$$
  • None of these
Which of the following is "Mathematical Average"?
  • Arithmetic Mean
  • Geometric Mean
  • Harmonic Mean
  • All of above
If there are $$N$$ individual observations $$X1, X2, ....Xn$$, Arithmetic mean $$=$$?
  • $$\overline {X} = \dfrac {X_{1}\times X_{2} \times X_{3}\times ......X_{n}}{N}$$
  • $$\overline {X} = \dfrac {X_{1} + X_{2} + X_{3} +......X_{n}}{N}$$
  • $$\overline {X} \dfrac {\sum X_{i}}{N}$$
  • (B) or (C)
Which of the following is a "Positional Average"?
I. Mean
II. Median
III. Mode
Select the correct answer from the options given below.
  • I and II
  • I and III
  • None of the (A), (B) or (D)
  • II and III
The most commonly used measure of central tendency is________.
  • AM
  • Media
  • Mode
  • GM and HM
The words 'means' or 'average' refers to ____________.
  • Arithmetic Mean
  • Geometric Mean
  • Harmonic Mean
  • All of above
"An average is a value which is typical or representative of a set of data". This definition is given by _______________.
  • Croxton and Cowden
  • Simpson and Kafka
  • Clark and Sekkade
  • Murry R. Spiegal
__________ is defined as the sum of observations divided by the number of observations.
  • Harmonic Mean
  • Geometric Mean
  • Arithmetic Mean
  • All of above
A measure of central tendency tries to estimate the ______________ of the data set.
  • central value
  • lower value
  • upper value
  • extreme value
Which of the following statement(s) is/ are false?
  • Mean is rigidly defined
  • Mean is not affected by due to sampling fluctuation
  • Mean has some mathematical properties
  • All of above
The value of all the items are taken into consideration in the calculation of ____________.
  • mode
  • mean
  • median
  • None of above
_______ is used when most frequent occurring value if required. (discrete variable).
  • Mode
  • Mean
  • Median
  • None of above
Which of the following sentence is/ are wrong is relation to 'Mode'?
  • It can be determined for a distribution with open ends
  • It is not based on all the observations
  • It is affected by extreme observations
  • All of above
The relationship between mean, median and mode is ______________.
  • $$2\ Mean = 3\ Median - Mode$$
  • $$Mean = \dfrac {3\ Median - Mode}{2}$$
  • $$Median = \dfrac {2\ Mean + Mode}{3}$$
  • All of above
_______ is that value of the variant which repeats maximum number of times in a distribution and around which other observations are densely distributed.
  • Mean
  • Median
  • Harmonic mean
  • Mode
$$50$$% of actual value will be below and $$50$$% of will be above for ______________.
  • the mode
  • the median
  • the mean
  • None of above
Which of the following sentence is/ are wrong in relation to 'Mode'?
  • It is not affected by extreme observations
  • It can be determined even for a distribution
  • It cannot be located graphically
  • All of above
0:0:1


Answered Not Answered Not Visited Correct : 0 Incorrect : 0

Practice Class 11 Commerce Economics Quiz Questions and Answers