Statistics is a section of mathematics that manages the collection, interpretation, analysis and presentation of different numerical data. In other words, Statistics is a collection of quantitative data. Academic task offering 2000+ Statistics MCQs for the preparation of different schools, colleges, and universities examinations to get good marks. Solved statistics question and answer cover multiple topics such as basic statistics mcqs, sampling mcqs, probability mcqs, Probability distributions, correlation and regression analysis, sampling distributions Techniques, statistical inference, time-series analysis, data presentation mcqs, statistical software mcqs, index numbers mcqs, design of experiments mcqs, statistical quality control, random variables mcqs, Non-Parametric statistics mcqs – and much more. These statistic multiple choice questions are also helpful for the preparation of various interviews, entrance examinations, other competitive examinations, and jobs like PPSC Statistics Lecturer’s jobs, Statistical Officers, Data Entry Operator, etc. for all Experienced, Freshers and Students. Also, check MCQs on Agriculture here.

151. If x is 4 and the distribution is 2, 3, 4, 5, 6, the sum of squared deviations from the x will be______________?

A. 8
B. 10
C. 6
D. 12

152. Discrete random variable is real valued function defined on a ___________ sample space?

A. Discrete
B. Variable
C. Scale
D. Non of these

153. If E(x) is the expected value of X then E[x – E(x)]= ___________________?

A. E(x) – E(x)
B. E(X) – 0
C. 0
D. E(x) + E(x)

154. A random variable may be _____________?

A. fixed
B. continuous
C. discrete
D. discrete or continuous

155. Two digit random numbers are ________________?

A. 2
B. 10
C. 99
D. 100

156. Which of the following Measure of averages is affected by extreme (very small or very largE. values in data set?

A. Geometric Mean
B. Median
C. Arithmetic Mean
D. Harmonic Mean
E. Mode

157. The Harmonic Mean of any two numbers is________________?

A. a+b2
B. 2aba+b
C. ab−−√
D. a+b

158. If a distribution has two modes then this distribution is called______________?

A. Uni-Modal
B. Bi-Modal
C. Tri-Modal
D. Multi-Modal
E. None of these

159. In a week the prices of a bag of rice were 350 ,280, 340, 290, 320, 310, 300. The range is_____________?

A. 60
B. 90
C. 70
D. 100

160. A contractor employs 20 male, 15 female and 5 children in his factory. Male wages are Rs. 10 per day, female Rs. 8 per day, and children Rs. 3 per day. The weighted x of wages paid per day will be_____________?

A. 3.86
B. 8.37
C. 9.21
D. 10.63

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