CBSE Class 11 Economics Measures of Central Tendency Worksheet

Multiple Choice Questions

Question. Which of the following is/are measures of central tendency?
(a) Mean
(b) Median
(c) Mode
(d) All of these
Answer : D

Question. The scores of students in a class scores are 97, 85, 92, 78 and 90. What will be the average score?
(a) 85.4
(b) 88.4
(c) 90.5
(d) 92.4
Answer : B

Question. Mean marks obtained by 5 students in a class is 66.4, marks scored by 4 students are 70, 72, 55, 57. What will be the marks obtained by the 5th student?
(a) 75
(b) 77
(c) 78
(d) 83
Answer : C

Question. In an asymmetrical distribution, if mean is 20 and median is 25, what will be the value of mode?
(a) 22
(b) 25
(c) 30
(d) 35
Answer : D

Question. Median of a series divides the distribution in ……… equal parts.
(a) 2
(b) 3
(c) 4
(d) None of these
Answer : A

Question. Mean of a given series divides the series into two equal parts. Choose from the options below.
(a) True
(b) False
(c) Partially true
(d) Incomplete statement
Answer : B

Question. Simple arithmetic mean can also be referred to as
(a) weighted mean
(b) unweighted mean
(c) relative mean
(d) geometric mean
Answer : B

Question. The mean value of a particular series of 15. If a constant number is added to all the items of the series, mean value will remain unaffected. Choose from the options below.
(a) True
(b) False
(c) Partially true
(d) Incomplete statement
Answer : B

Question. Arithmetic mean of 5 numbers is 28.
When one number is reduced, mean gets reduced by 2. Which number is excluded?
(a) 26
(b) 30
(c) 34
(d) 36
Answer : D

Question. If the mean of a given series is 10, this indicates that all items of the series are equal to 10. Choose from the options below.
(a) True
(b) False
(c) Partially true
(d) Incomplete statement
Answer : B

Question. Which of the following central tendency can be located using cumulative frequency distribution?
(i) Median (ii) Quartiles
(iii) Mode
Choose from the options below.
(a) (i) and (ii)
(b) (ii) and (iii)
(c) (i) and (iii)
(d) (i), (ii) and (iii)
Answer : A

Question. Which of the following measures of central tendency is suitable for qualitative measurement?
(a) Median
(b) Mode
(c) Both (a) and (b)
(d) Neither (a) nor (b)
Answer : A

Question. Arrangement of data in ascending or descending order is only required to calculate median. Choose from the options below.
(a) True
(b) False
(c) Partially true
(d) Incomplete statement
Answer : C

Question. Which of the following is true about arithmetic mean?
(a) Based on all the items of the series
(b) Used only in case of continuous variable
(c) Both (a) and (b)
(d) Neither (a) nor (b)
Answer : A

Question. The arithCmetic mean of a distribution is 45. If the sum of frequencies were 20, what will be the product of sum of frequencies with the variable?
(a) 450
(b) 900
(c) 1050
(d) Can’t be determined
Answer : B

Question. Mode value calculated using the empirical formula differs from the actual value of series. Choose from the options below.
(a) True
(b) False
(c) Partially true
(d) Incomplete statement
Answer : A

Question. Which of the following is correct for an asymmetrical distribution (positively skewed)?
(a) Mean > Median > Mode
(b) Median > Mode > Mean
(c) Mean = Median = Mode
(d) Mode > Median > Mean
Answer : A

Question. Mean is a number which is always present in the series. Choose from the options below.
(a) True
(b) False
(c) Partially true
(d) Incomplete statement
Answer : B

Question. The highest value of the lowest 25 percent items of the series is upper quartile. Choose from the options below.
(a) True
(b) False
(c) Partially true
(d) Incomplete statement
Answer : B

Question. Choose the incorrect statement from the given below.
(a) For a symmetrical distribution, mean, median and mode are equal to each other.
(b) Mid-value series need to be converted in normal frequency distribution in order to calculate median.
(c) Inclusive series need to be converted into exclusive series in order to calculate arithmeticmean.
(d) Mode calculated from the empirical relation is different from value calculated by statistical calculation.
Answer : C

Question. Quartiles can be located graphically using
(a) less than ogive only
(b) more than ogive only
(c) Both less than ogive and more than ogive together
(d) Either less than ogive or more than ogive
Answer : D

Question. In order to calculate mean of ‘n’ natural numbers, the number of items will be equal to
(a) 100
(b) 1000
(c) n
(d) Infinity
Answer : C

Question. Which of the following is correct for an asymmetrical distribution (negatively skewed)?
(a) Mean > Median > Mode
(b) Median > Mode > Mean
(c) Mean = Median = Mode
(d) Mode > Median > Mean
Answer : D

Question. Division of one column in ten equal parts is called ……… .
(a) Decile
(b) Quartile
(c) Percentile
(d) None of these
Answer : A

Direction Read the following case study and answer questions 86 to 90 on the basis of the same.
Measures of central tendency are an effective statistical tools, which are widely used for different purposes. Two statistical series are given below, observe them carefully and answer the questions that follow.

Question. What will be the median value of series 1?
(a) 6
(b) 8
(c) 10
(d) None of these
Answer : D

Question. Which of the following methods should be used to calculate mode in series 1?
(a) Observation method
(b) Grouping table method
(c) Empirical relationbetweencentral tendencies
(d) Can’t be determined
Answer : C

Question. Mode value of series 2 will be equal to….
(a) 12
(b) 16
(c) 28
(d) Can’t be determined
Answer : D

Question. What will be themode value in series 1?
(a) 6
(b) 8
(c) 10
(d) None of the above
Answer :  A

Question. Which of the following formula should be used to calculate median in series 2?
(a) (n + 1/2)th term
(b) (N + 1 /2)th term
(c) 3(N + 1/4)th term
(d) None of these
Answer : D

Direction Analyse the following case study graph and answer questions 91 to 95 on the basis of the same.

Question. What is the mean height of the above students?
(a) 54
(b) 59
(c) 62
(d) 67
Answer : B

Question. If we reverse the data in decreasing order, value of median will be
(a) 52
(b) 55
(c) 64
(d) None of the above
Answer : D

Question. Median of a given series divides the data into ……… parts.
(a) two
(b) three
(c) four
(d) None of these
Answer : A

Question. What will be the mode value in the above series?
(a) 54
(b) 59
(c) 67
(d) Can’t be determined
Answer : C

Question. What will be the median value of the above figure?
(a) 52
(b) 56
(c) 62
(d) 65
Answer : C