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Class 11 Economics MCQ Chapter 5 Measures of Central Tendency
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Measures of Central Tendency
Chapter: 5
PART – (A) STATISTICS FOR ECONOMICS
| MCQ |
1. A representative average should be:
(a) Simple to calculate.
(b) Rigidly defined.
(c) Based on all observations of the series.
(d) All of these.
Ans: (d) All of these.
2. Which of the following is NOT a measure of central tendency?
(a) Arithmetic Mean.
(b) Median.
(c) Mode.
(d) Range.
Ans: (d) Range.
3. The median of the numbers 1, 2, 3, 3, 4, and 5 is:
(a) 1
(b) 2
(c) 3
(d) 4
Ans: (c) 3
4. The most commonly used measure of central tendency is:
(a) Arithmetic Mean.
(b) Median.
(c) Mode.
(d) None of these.
Ans: (c) Arithmetic Mean.
5. Which measure is the easiest to identify visually on a histogram?
(a) Mean.
(b) Median.
(c) Mode.
(d) Geometric Mean.
Ans: (c) Mode.
6. The average of the deviations of the observations from their mean is always:
(a) Zero.
(b) Positive.
(c) Negative.
(d) Cannot be determined.
Ans: (a) Zero
7. The mean of 11 numbers is 7 One of the numbers, 13, is deleted. What is the mean of the remaining 10 numbers?
(a) 5.8
(b) 6
(c) 6.4
(d) 7.7
Ans: (c) 6.4
8. If the data set is symmetric, which of the following is true?
(a) Mean = Median = Mode.
(b) Mean < Median < Mode.
(c) None of the above.
(d) All of the above.
Ans: (a) Mean = Median = Mode.
9. Change of origin and scale is used for calculation of the:
(a) Arithmetic mean.
(b) Geometric mean.
(c) Weighted mean.
(d) Lower and upper quartiles.
Ans: (a) Arithmetic mean.
10. Which of the following is not a characteristic of the mean?
(a) It minimises the sum of squared deviations.
(b) It is affected by extreme scores.
(c) It is best used with ordinal data.
(d) The sum of the deviations about the mean is 0.
Ans: (c) It is best used with ordinal data.
11. A measure of central tendency, given as the value above which half of the values fall and below which half of the values fall is called the______.
(a) Maxima.
(b) Mode.
(c) Median.
(d) Mean.
Ans: (c) Median.
12. Arithmetic mean of these items 5, 7, 9, 15, 20 is:
(a) 10
(b) 10.2
(c) 11.2
(d) 12
Ans: (c) 11.2
13. What does the mode represent in a set of data?
(a) The smallest value in the data set.
(b) The average value.
(c) The middle value.
(d) The most frequently occurring value.
Ans: (d) The most frequently occurring value.
14. What is the median of the following set of scores? 19, 5, 12, 10, 14
(a) 10
(b) 14
(c) 19
(d) 12
Ans: (d) 12
15. In a continuous series, what is calculated by taking mid-points of class intervals?
(a) Mode.
(b) Arithmetic Mean.
(c) Median.
(d) Range.
Ans: (b) Arithmetic Mean.
