VBQs Measures of Dispersion Class 11 Economics

VBQs for Class 11

VBQs Measures of Dispersion Class 11 Economics with solutions has been provided below for standard students. We have provided chapter wise VBQ for Class 11 Economics with solutions. The following Measures of Dispersion Class 11 Economics value based questions with answers will come in your exams. Students should understand the concepts and learn the solved cased based VBQs provided below. This will help you to get better marks in class 11 examinations.

Measures of Dispersion VBQs Class 11 Economics

Very Short Answer Type Questions

Question. What is inter quartile range?.
Answer :
The difference in the two values of quartile is called inter quartile range (Q3 Q1)

Question. What is Lorenz Curve?
Answer :
Lorenz curve is the graphic presentation of studying dispersion.

Question. Which graphical method is used to measure dispersion?
Answer :
Lorenz curve method is used to measure dispersion.

Question. How is coefficient of mean deviation computed?
Answer :

VBQs Measures of Dispersion Class 11 Economics

Question. Write one major demerit of mean deviation.
Answer :
The major demerit of mean deviation is that it ignores ± signs.

Question. What is a line of equal distribution.
Answer :
While drawing Lorenz curve zero of X axis and 100 on y axis are joined by a line. This line is known as line of equal distributions.

Question. Which is most widely used and best measurement of dispersion.
Answer :
The most widely used and best measurement of dispersion is standard deviation.

Question. Write two uses of range.
Answer :
Two uses of range
(i) Quality control
(ii) Measure of fluctuations.

Question. What are the types of mean?
Answer :
 There are two types of mean simple and weighted.

Question. Give the meaning of arithmatic average.
Answer : 
When the sum of all items is divided by their number is known as arithmatic average.

Question. Pocket money of 8 students is Rs. 6,12,18, 24, 30, 36, 42 and 48, calculate mean.
Answer :

VBQs Measures of Dispersion Class 11 Economics

Question. What is the relation among the mean, median and mode?
Answer :
 Mode = 3 median 2 mean

Question. Give the meaning of combined mean.
Answer :
 When the mean of two or more than two series is computed collectively, it is known as combined mean.

Question. Which diagram is used for finding the value of mode graphically?
Answer :
 Histogram

Question. If the values of mean and median are 40 and 48. Find out the most probable value of mode.
Answer :
 Mode = 3 median 2 mean
= (3x 48) (2 x 40) = 144 80
= 6

Question. How is the value of median computed with the help of ogive curves?.
Answer :
 The point of intersection where ‘less than’ ogive curve and ‘more than’ ogive curve intersect each other gives us the value of median.

Question. What is the sum of deviations taken from mean in a series.
Answer :
 Zero.