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.

**161. For discrete random ‘X’, the expectation of X i.e., E(x) is equal to:________________?**

A. ∑P(x)**B. ∑x.P(x)**

C. ∑x^{2}P(x)

D. One

**162. A discrete probability distribution may be represented by____________?**

A. A Table

B. A Graph

C. A mathematical Equation**D. All of these**

**163. The probability function is always______________?**

A. Negative**B. Non Negative**

C. Positive

D. None

**164. Probability distribution of a random variable is also know as Probability_________________?**

A. Probability Function**B. Distribution Function**

C. Probability Distribution

D. Probability Density Function

**165. The distribution function F(X) is represent by_______________?**

A. P(X=x)

B. P(X

C. P(X>x)**D. P(X≤x)**

**166. _________ are the numbers obtained by some random process?**

A. Two- digit number take**B. Random table**

C. Pack

D. Non of these

**167. A function probability that a random variable of x has a value less than is called _____________?**

A. Random function**B. Distribution function**

C. Continuous function

D. probability function

**168. A random variable is ____________ ?**

A. Not a function

B. A continuous variable**C. A function**

D. None of these

**169. The number of defective bulbs in a lot is example of ____________?**

A. Continuous variable**B. Discrete variable**

C. Function

D. None of these

**170. If a & b are constants, then Var (a + bX) equal to_________________?**

A. Var(bX) + a**B. b2 Var(X)**

C. b Var(x)

D. None of these

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