Data Analysis MCQ Questions And Answers

This section focuses on "Data Analysis" in Data Science. These Data Science Multiple Choice Questions (MCQ) should be practiced to improve the skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.

1. Data Analysis is a process of?

A. inspecting data
B. cleaning data
C. transforming data
D. All of the above

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2. Which of the following is not a major data analysis approaches?

A. Data Mining
B. Predictive Intelligence
C. Business Intelligence
D. Text Analytics

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3. How many main statistical methodologies are used in data analysis?

A. 2
B. 3
C. 4
D. 5

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4. In descriptive statistics, data from the entire population or a sample is summarized with ?

A. integer descriptors
B. floating descriptors
C. numerical descriptors
D. decimal descriptors

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5. Data Analysis is defined by the statistician?

A. William S.
B. Hans Peter Luhn
C. Gregory Piatetsky-Shapiro
D. John Tukey

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6. Which of the following is true about hypothesis testing?

A. answering yes/no questions about the data
B. estimating numerical characteristics of the data
C. describing associations within the data
D. modeling relationships within the data

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7. The goal of business intelligence is to allow easy interpretation of large volumes of data to identify new opportunities.

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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8. The branch of statistics which deals with development of particular statistical methods is classified as

A. industry statistics
B. economic statistics
C. applied statistics
D. applied statistics

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9. Which of the following is true about regression analysis?

A. answering yes/no questions about the data
B. estimating numerical characteristics of the data
C. modeling relationships within the data
D. describing associations within the data

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10. Text Analytics, also referred to as Text Mining?

A. TRUE
B. FALSE
C. Can be true or false
D. Can not say

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