# Statistics MCQ Questions

11. What is the main role of Statistical functions, principles, and algorithms?

A. to analyze raw data

B. build a Statistical Model

C. predict the result

D. All of the above

View Answer

Ans : D

Explanation: Several Statistical functions, principles, and algorithms are implemented to analyze raw data, build a Statistical Model and infer or predict the result.

12. In how many ways, analysis of any event can be done?

A. 2

B. 3

C. 4

D. 5

View Answer

Ans : A

Explanation: An analysis of any event can be done in one of two ways: Quantitative Analysis and Qualitative Analysis.

13. __________ Statistics makes inferences and predictions about a population based on a sample of data taken from the population in question.

A. Descriptive

B. Quantitative

C. Inferential

D. Qualitative

View Answer

Ans : C

Explanation: Inferential Statistics makes inferences and predictions about a population based on a sample of data taken from the population in question.

14. The value most recurrent in the sample set is known as ________.

A. Mean

B. Median

C. Mode

D. Standard Deviation

View Answer

Ans : C

Explanation: The value most recurrent in the sample set is known as Mode.

15. Result disproves the assumption is known as?

A. Null Hypothesis

B. Alternate Hypothesis

C. Immediate Hypothesis

D. All of the above

View Answer

Ans : B

Explanation: Alternate Hypothesis: Result disproves the assumption.

16. Which of the following is a goal of literate statistical programming?

A. Combine explanatory text and data analysis code in a single document

B. Ensure that data analysis documents are always exported in JPEG format

C. Require those data analysis summaries are always written in R

D. All of the above

View Answer

Ans : A

Explanation: Literate Statistical Practice is a programming methodology.

17. Which of the following disadvantage does literate programming have?

A. Slow processing of documents

B. Code is not automatic

C. No logical order

D. All of the above

View Answer

Ans : A

Explanation: Code and text is in one place.

18. Which of the following is also referred to as random variable?

A. stochast

B. eliette

C. aleatory

D. None Of the above

View Answer

Ans : C

Explanation: Random variable is also known as stochastic variable.

19. It is the measure of variability, based on dividing a data set into quartiles.

A. Deviation

B. Standard Deviation

C. Range

D. Inter Quartile Range

View Answer

Ans : D

Explanation: Inter Quartile Range (IQR): It is the measure of variability, based on dividing a data set into quartiles.

20. Chebyshev's inequality states that the probability of a "Six Sigma" event is less than __________.

A. 0.01

B. 0.02

C. 0.03

D. 0.04

View Answer

Ans : C

Explanation: If a bell curve is assumed, the probability of a "six sigma" event is on the order of one ten millionth of a percent.

Discussion