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.
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