Measures Of Dispersion CBSE Questions & Answers

Measures Of Dispersion

This is Economics Class 11 Measures of Dispersion CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Which of the following symbols represents the variance of the population?
  • A
    \({\sigma ^{\text{2}}}\)
    Correct
  • B
    \(\overline x \)
  • C
    \(\sigma \)
  • D
    \(\mu \)
2
The symbol \(\sigma \) is used to represent
  • A
    The variance
  • B
    The standard deviation
    Correct
  • C
    Quartile deviation
  • D
    The mean deviation
3
Lorenz Curve was devised by
  • A
    Dr. Max D’Lorenz
  • B
    Dr. Max A’Lorenz
  • C
    Dr. Max O’Lorenz
    Correct
  • D
    Dr. Max B’Lorenz
4
Lorenz Curve :
  • A
    Used this technique to show inequality of wealth and income of a group of people
    Correct
  • B
    Used this technique to show equality of wealth and income of a group of people
  • C
    Used this technique to show unemployment of a group of people
  • D
    Used this technique to show employment of a group of people
5
Which of the following is false regarding Dispersion
  • A
    Indicates high or low uniformity of the items
  • B
    Difference or variation among the values
  • C
    It serve to locate the distribution
    Correct
  • D
    Reveals how items are spread out on either side of the centre
6
Arrange the following steps to find out standard deviations bra. Find out deviations brb. Assume the centre value of the series brc. Square the deviations brd. Multiply these deviations by frequencies $\sum {fd} $ bre. Multiply the square deviation by the respective frequencies and obtain the total $\sum {f{d^2}} $ brOptions are
  • A
    b,a,e,d,c
  • B
    b,a,d,c,e
    Correct
  • C
    a,b,d,c,e
  • D
    b,a,c,d,e
7
Match the following
Question 7 figure 1
  • A
    a(ii), b(i),c(iii)
  • B
    a(i), b(iii),c(ii)
  • C
    a(ii), b(iii),c(i)
    Correct
  • D
    a(iii), b(ii),c(i)
8
Find the value of range for the following Data 7, 9, 6, 8, 11, 10, 4
  • A
    7.0
    Correct
  • B
    8
  • C
    5
  • D
    9
9
Find the co-efficient for the following data. 7, 9, 6, 8, 11, 10, 4
  • A
    0.3245
  • B
    0.4766
  • C
    0.4667
    Correct
  • D
    0.2351
10
Calculate range and its co efficient from the following distribution.
Question 10 figure 1
  • A
    15, 0.1111
    Correct
  • B
    11, 0.1111
  • C
    60, 0.2323
  • D
    75, 0.2222
11
Find the Quartile Deviation for the following data: 391, 384, 591, 407, 672, 522, 777, 733, 1490, 2488
  • A
    248.231
  • B
    134.213
  • C
    267.215
  • D
    276.125
    Correct
12
Weekly wages of labors are given below. Calculated Q.D
Question 12 figure 1
  • A
    100
  • B
    115
  • C
    125.0
    Correct
  • D
    120
13
Weekly wages of labors are given below. Calculate Coefficient of Q.D.
Question 13 figure 1
  • A
    0.2222
  • B
    0.3333
    Correct
  • C
    0.1111
  • D
    0.4444
14
For the date given below, give the quartile deviation and
Question 14 figure 1
  • A
    108.06
    Correct
  • B
    103.04
  • C
    102.5
  • D
    109.03
15
For the date given below, give the Coefficient of Q.D
Question 15 figure 1
  • A
    0.1663
    Correct
  • B
    0.1356
  • C
    0.1256
  • D
    0.1345