11th Class Statistics Most Repeated MCQs From Past Papers, Important solved questions are mostly used every year in exams.
THE ANSWER KEY IS GIVEN AT THE END
1. A collection of all the elements in a group is called:
(A) Population (B) Sample (C) Data (D) Registration
2. A quantity calculated from a population is called:
(A) Frequency (B) Statistics (C) Parameter (D) Sample
3. In natural sciences statistics:
(A) Has no role (B) Plays a very important role
(C) Plays a minor role (D) None of these
4. Statistics is the backbone of:
(A) Mathematics (B) Computer
(C) Research (D) Mathematics & computer
5. Any characteristics that do not change are called:
(A) Attribute (B) Constant
(C) Both attribute & constant (D) Both (a) and (b) but not (c)
6. Countings or enumerations usually provide:
(A) Continuous data (B) Qualitative data
(C) Discrete data (D) Grouped data
7. The amount of milk given by a cow is a:
(A) Qualitative variable (B) Discrete variable
(C) Continuous variable (D) Constant
8. The phase of statistics that is concerned with the description and analysis of a sample or population data is called:
(A) Inferential statistics (B) Descriptive statistics
(C) Inductive statistics (D) Sample statistics
9. The phase of statistics that is concerned with the procedure and methodology for obtaining valid conclusions is
called:
(A) Descriptive statistics (B) Deductive statistics
(C) Inferential statistics (D) Sample statistics
10. Information recorded in its original form, whether counts or measurements, is referred to as:
(A) Continuous data (B) Raw data
(C) Discrete data (D) Arrayed data
11. The data which have already been collected by some one are called:
(A) Secondary data (B) Primary data
(C) Arrayed data (D) None of these
12. Classification of data according to locations or areas is called:
(A) Temporal classification (B) Geographical classification
(C) Quantitative classification (D) Qualitative classification
13. Classification of data by quantitative characteristics is called:
(A) Qualitative classification (B) Quantitative classification
(C) Geographical classification (D)Temporal classification
14. The process of systematic arrangement of data into rows and columns is called:
(A) Classification (B) Tabulation
(C) Bar chart (D) None of these
15. In a table footnote and source notes are:
(A) Same (B) Different
(C) Identical (D) None of these
16. Tabulation means, the process of arranging the data into:
(A) Different classes (B) Rows
(C) Columns (D) Rows & columns
17. The difference between the upper and the lower class boundaries of a class are known as:
(A) Class mark (B) Class interval
(C) Class frequency (D) None of these
18. In the construction of frequency distribution the first step is:
(A) To calculate the class marks (B) To find the range of the data
(C) To find the class boundaries (D) None of these
19. Relative frequencies are obtained by:
(A) Dividing the midpoints by the frequency
(B) Dividing the midpoints by the total frequency
(C) Dividing the total frequency by frequency
(D) Dividing the frequency by total frequency
20. A relative frequency distribution presents frequencies in terms of:
(A) Fractions (B) Whole numbers
(C) Percentages (D) Both (a) and (c) but not (b)
21. In constructing a histogram, which is to be taken along the X-axis:
(A) Midpoints (B) Class limits
(C) Class interval (D) Class boundaries
22. Graphs of frequency distributions are used because:
(A) They have a long history in practical applications
(B) They attract attention to the data pattern
(C) They account for biased or incomplete data
(D) None of these
23. An ogive is a:
(A) Frequency curve (B) Frequency polygon
(C) Cumulative frequency polygon (D) Frequency histogram
24. Coded method of calculation is only used in:
(A) Median (B) Combined mean (C) A.M (D) None of these
25. The mean of the first n natural numbers is:
(A) n(n + 1)/2 (B) (n+1)/2 (C) (n-1)/2 (D) n/2
26. If any value in the data is zero, then which of the following average vanishes:
(A) A.M (B) G.M (C) H.M (D) None of these
27. Geometric mean of numbers 2, 4, 8, and 64 is:
(A) 2 (B) 4 (C) 8 (D) 64
28. If any value in the data is zero, then it is not possible to have:
(A) A.M (B) Median (C) Mode (D) H.M
29. If n = 7 and ∑(1/y) = 1.929, the H.M is:
(A) 5.77 (B) 5.87 (C) 5.89 (D) 5.97
30. The most central value of an arrayed data is:
(A) Mode (B) Median (C) Mean (D) Harmonic mean
31. Q2 = Median = _________:
(A) P2 (B) P20 (C) P50 (D) None of these
32. Third Quartile = Q3=…………:
(A) P33 (B) D3 (C) Median (D) None of these
33. Mode of the series 2, 2, 2, 3, 3, 3, 2, 3, 3, 4 is:
(A) 3 (B) 2 and 3 (C) 4 (D) None of these
34. Which of the following average cannot be calculated from the observations 2, 2, 4, 4, 6, 6, 8, 8, 10, 10?
(A) Mean (B) Median (C) Mode (D) All of these
35. If the standard deviation of the values 2, 4, 6, 8, and 10 is 2.83 then, the standard deviation of 102, 104, 106, 108, and 110 will be:
(A) 106 (B) 102.83 (C) 2.83 (D) 0
36. The standard deviation of –k, -k, -k, -k:
(A) -k (B) +k (C) Zero (D) None of these
37. If Q = 20 and Q = 10 the coefficient of quartile deviation is: 3 1
(A) 3 (B) 13 (C) 23 (D) 1
38. If you divide the standard deviation of the values by the mean of the same values and multiply by 100, you will
get.
(A) Variance (B) Coefficient of variation
(C) Mean deviation (D) Mean coefficient of dispersion
39. Which of the following measures of dispersion is independent of the units employed?
(A) Standard deviation (B) Quartile deviation (C) Coefficient of variation (D) Variance
40. the First moment about the origin is always equal to:
(A) Mean (B) Variance (C) Zero (D) None of these
41. If the third moment about means is equal to zero, then distribution is:
(A) Positively skewed (B) Negatively skewed (C) Symmetrical (D) None of these
42. Which measure of dispersion is considered the best general-purpose measure of dispersion?
(A) Range (B) Semi-interquartile range
(C) Standard deviation (D) Mean deviation
43. Theoretically best average used in the construction of a composite index is:
(A) The arithmetic mean (B) The geometric mean (C) The median (D) The harmonic mean
44. If the moment coefficient of kurtosis b = 3, then the distribution is: 2
(A) Platykurtic (B) Positively skewed (C) Symmetrical (D) Mesokurtic
45. The distribution is positively skewed if:
(A) Mean < Mode (B) Mean > Mode (C) Mean > Median (D) Both (b) and (c)
46. In the fixed-base method, the base period should be:
(A) First year (B) Central year
(C) For the distant year (D) Normal year
47. Which index number has a wide scope?
(A) Special (B) General (C) Price (D) Quantity
48. The prices used in the construction of consumer price index numbers are:
(A) The retail prices (B) The wholesale prices (C) The fixed prices (D) None of these
49. While computing link relatives for chain indices, the current year price is divided by:
(A) Base year price (B) Base year quantity (C) Preceding year price (D) None of these
50. Which is the most suitable average in the chain base method?
(A) Arithmetic mean (B) Median
(C) Geometric mean (D) Weighted arithmetic mean
1. A 2. C 3. B 4. C 5. B 6. C 7. C 8. B 9. C 10. B
11. A 12. B 13. B 14. B 15. C 16. D 17. B 18. B 19. D 20.D
21. D 22. B 23. C 24. C 25. B 26. B 27. C 28. D 29. B 30. B
31. C 32. D 33. A 34. C 35. C 36. C 37. B 38. B 39. C 40. A
41. C 42. C 43. B 44. D 45. D 46. D 47. C 48. A 49. C 50. C
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