1. A numerical value used as a summary measure for a sample, such as a sample mean, is known as a_______
Correct : C. Sample Statistic
2. Statistics branches include___________
Correct : D. Both A and B
3. To enhance a procedure the control charts and procedures of descriptive statistics are classified into_______
Correct : A. Behavioural Tools
4. Sample statistics are also represented as__________
Correct : B. Roman Letters
5. Individual respondents, focus groups, and panels of respondents are categorized as_________
Correct : A. Primary Data Sources
6. The variables whose calculation is done according to the weight, height and length and weight are known
as:_______
Correct : C. Continuous Variables
7. A method used to examine inflation rate anticipation, unemployment rate and capacity utilisation to produce
products is classified as________
Correct : C. Forecasting Technique
8. Graphical and numerical methods are specialized processes utilized in_________
Correct : B. Descriptive Statistics
9. The scale applied in statistics which imparts a difference of magnitude and proportions is considered as_____
Correct : C. Ratio Scale
10. Review of performance appraisal, labour turnover rates, planning of incentives and training programs and are
examples of ___________
Correct : D. Statistics in Personnel Management
11. The number of accidents in a city during 2010 is__________
Correct : B. Continuous variable
12. The mean of a distribution is 23, the median is 24, and the mode is 25.5. It is most likely that this distribution
is__________
Correct : D. Negatively Skewed
13. According to the empirical rule, approximately what percent of the data should lie within $\mu \pm
2\sigma$?_______
Correct : C. 99.7%
14. Census reports used as a source of data is________
Correct : D. None
15. The first hand and unorganized form of data is called____________
Correct : C. Primary data
16. If a distribution is abnormally tall and peaked, then is can be said that the distribution is__________
Correct : A. Leptokurtic
17. A chance variation in an observational process is____________
Correct : C. Random error
18. Given $$$X_1=12,X_2=19,X_3=10,X_4=7$$$, then $$$\sum_{i=1}^4 X_i$$$ equals?________
Correct : C. 41
19. Questionnaire survey method is used to collect____________
Correct : C. Primary data
20. The mean of a distribution is 14 and the standard deviation is 5. What is the value of the coefficient of
variation?____________
Correct : B. 48.3%
21. Sum of dots when two dice are rolled is___________
Correct : C. A constant
22. The data which have already been collected by someone are called_____________
Correct : C. Secondary data
23. Data collected by NADRA to issue computerized identity cards (CICs) are__________
Correct : B. Qualitative data
24. A parameter is a measure which is computed from______________
Correct : B. Sample data
25. The grouped data is also called_________
Correct : D. Qualitative data
26. Primary data and _____________ data are sam
Correct : B. Secondary data
27. A constant variable can take values____________
Correct : C. Not fixed
28. Cumulative frequency is___________
Correct : D. None of these
29. Data Classified by attributes are called____________
Correct : A. Qualitative Data
30. Statistics results are_____________
Correct : C. True on Average
31. Measurements usually provide_____________
Correct : B. Continuous Data
32. Which one is the not measure of dispersion.____________
Correct : B. 50th Percentile
33. Statistic is a numerical quantity, which is calculated from_____________
Correct : B. Sample
34. In statistics, a sample means_____________
Correct : B. A portion of the population
35. Data in the Population Census Report is___________
Correct : C. Secondary data
36. When data are collected in a statistical study for only a portion or subset of all elements of interest we are
using___________
Correct : A. A sample
37. The algebraic sum of deviations from mean is___________
Correct : B. Zero
38. In inferential statistics, we study____________
Correct : D. None of the above
39. The height of a student is 60 inches. This is an example of___________
Correct : A. Qualitative data
40. In statistics, a population consists of____________
Correct : C. All subjects or objects whose characteristics are being studied
41. In descriptive statistics, we study____________
Correct : B. The methods for organizing, displaying and describing data
42. Which one of the following measurement does not divide a set of observations into equal parts?__________
Correct : C. Percentiles
43. In statistics, conducting a survey means__________
Correct : B. Making mathematical calculations
44. You asked five of your classmates about their height. On the basis of this information, you stated that the
average height of all students in your university or college is 67 inches. This is an example of___________
Correct : B. Inferential Statistics
45. Which branch of statistics deals with the techniques that are used to organize, summarize, and present the
data__________
Correct : C. Inferential Statistics
46. Which of the following is not based on all the observations?________
Correct : C. Harmonic Mean
47. The weights of students in a college/ school is a___________
Correct : B. Continuous Variable
48. Life of a T.V picture tube is a__________
Correct : B. Continuous variable
49. Population census is conducted through________
Correct : D. Complete enumeration
50. Which of these represent qualitative data___________
Correct : B. Liking or disliking of (500) persons of a product
51. What is the arithmetic mean of the data set: 4, 5, 0, 10, 8, and 3?____________
Correct : A. 5
52. What is the geometric mean of: 1, 2, 8, and 16?___________
Correct : A. 4
53. The arithmetic mean of all possible outcomes is known as___________
Correct : A. expected value
54. What is the average of 3%, 7%, 10%, and 16% ?____________
Correct : B. 9%
55. The mean, mode, and median of the data set: 5, 4, 10, 12, 1, 5, 3, 7, 15, and 8 is respectively___________
Correct : D. 7, 5, 6
56. Harmonic men gives more weigntage to____________
Correct : A. Small Values
57. If the distribution is symmetric about mean then the skewness is_____________.
Correct : A. 1
58. Standard deviation is calculated from the Harmonic Mean (HM)____________
Correct : B. Sometimes
59. In statistics, a sample means______________
Correct : B. A portion of the population
60. The algebraic sum of deviations from mean is__________
Correct : B. Zero
61. Sum of deviations will be zero if it is taken from___________
Correct : A. Mean
62. Arithmetic Mean is __________ affected by extreme values
Correct : B. Highly
63. The sum of squared deviation is least from____________
Correct : B. Mean
64. __________ is based on all observations of data
Correct : C. Mean
65. The mean of 10 numbers is 9, then the sum (total) of these numbers will be________
Correct : D. 90
66. The sum of values divided by their number is called__________
Correct : C. Mean
67. The calculation of mean and variance is based on_____________
Correct : D. All values
68. The Geometric Mean of -2, 4, 03, 6, 0 will be______________
Correct : C. Cannot be Computed
69. The most repeated (popular) value in a data set is called____________
Correct : C. Mode
70. Which of the following Measure of Averages is not based on all the values given in the data set___________
Correct : C. Median
71. Which of the following Measure of averages is affected by extreme (very small or very large) values in the
data set?____________
Correct : C. Arithmetic Mean
72. Data must be arranged either in ascending or descending order if some want to compute________________
Correct : D. Median
73. If any of the value in data set is negative then it is impossible to compute___________
Correct : C. Geometric Mean
74. If any of the value in the data set is zero then it is not possible (i.e. impossible) to compute_____________
Correct : D. Harmonic Mean
75. To find the average speed of a journey which is the appropriate measure of central tendency____________
Correct : C. Harmonic Mean
76. Which of the following cannot be less than zero (negative)?_____________
Correct : B. Geometric Mean
77. ________ is the measure of average which can have more than one value____________
Correct : D. Mode
78. Find the median of the following data: 160, 180, 200, 280, 300, 320, 400______________
Correct : D. 280
79. Which of the following describe the middle part of a group of numbers?_____________
Correct : B. The Measure of Central Tendency
80. The middle value of an ordered array of numbers is the_____________
Correct : C. Median
81. If mean, median, and mode are all equal then distribution will be_______________
Correct : C. Symmetrical
82. The values of mean, median and mode can be____________
Correct : A. Some time equal
83. In symmetrical distribution, mean, median, and mode are__________
Correct : A. Equal
84. The empirical relation between mean, median, and mode is____________
Correct : B. $ 3 median – 2 mean $
85. In a symmetrical distribution, mean is ____________ mode
Correct : A. Equal to
86. If in a distribution left tail is longer than right tail, then the distribution will be____________
Correct : C. Negative skewed
87. In Uni-model distribution, if mode is less than mean, then the distribution will be__________
Correct : C. Positively skewed
88. The shape of symmetrical distribution is _______
Correct : B. Bell Shaped
89. The distribution in which mean = 60 and mode = 50, will be ____________
Correct : B. Positive skewed
90. If mean is less than mode, the distribution will be____________
Correct : B. Negatively skewed
91. A symmetrical distribution has mean equal to 4. Its mode will be____________
Correct : A. Equal to 4
92. A set of values is said to be relatively uniform if it has___________
Correct : C. Littel Dispersion
93. The measures of dispersion are changed by the change of_______________
Correct : A. Scale
94. Statistics are aggregates of______________
Correct : D. Data
95. The appropriate average for calculating average percentage increase in population is____________
Correct : D. Geometric Mean
96. Which mean is most affected by extreme values?____________
Correct : C. Arithmetic mean
97. When mean, median, and mode are identical, the distribution is___________
Correct : C. Symmetrical Bivariate
98. Sum of absolute deviations about median is_________
Correct : C. Minimum
99. Sum of square of the deviations about mean is___________
Correct : B. Minimum
100. The extreme values in negatively skewed distribution lie in the_____________