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#### Data Analysis SPPU all MCQ's for online exam

Last updated on March 16, 2021, 7:47 a.m. by Akshay Sadawarte DA MCQ's from all units for online SPPU exam

# DA Objective Questions

## (MCQ /True or False / Fill up with Choices )

### 84. ________________require an oracle that decides which recommender should be used in a specific situation, depending on the user profile and/or the quality of recommendation a.    Weighted Hybrids b.    Mixed Hybrids c.    Cascade Hybrids d.    Switching Hybrids

1.    A subdivision of a set of examples into a number of classes
2.    A measure of the accuracy, of the classification of a concept that is given by a certain theory
3.    The task of assigning a classification to a set of examples
4.    None of these

### a.    Max Entropy is 1 b.    Max Entropy is 2 c.    Max Entropy is 3 d.    Max Entropy is 4

87. Data Analysis is a process of?

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

Explanation: Data Analysis is a process of inspecting, cleaning, transforming and modeling data with the goal of discovering useful information, suggesting conclusions and supporting decision-making.

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

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

Explanation: Predictive Analytics is major data analysis approaches not Predictive Intelligence.

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

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

Explanation: In data analysis, two main statistical methodologies are used Descriptive statistics and Inferential statistics.

90. 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

Explanation: In descriptive statistics, data from the entire population or a sample is summarized with numerical descriptors.

91. Data Analysis is defined by the statistician?

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

Explanation: Data Analysis is defined by the statistician John Tukey in 1961 as "Procedures for analyzing data.

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

B. estimating numerical characteristics of the data
C. describing associations within the data
D. modeling relationships within the data

93. 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

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

94. 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

Explanation: The branch of statistics which deals with development of particular statistical methods is classified as applied statistics.

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

B. estimating numerical characteristics of the data
C. modeling relationships within the data
D. describing associations within the data

Explanation: modeling relationships within the data (E.g. regression analysis).

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

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

Explanation: Text Data Mining is the process of deriving high-quality information from text.

97. What is a hypothesis?

a. A statement that the researcher wants to test through the data
collected in a study.

b. A research question the results will answer.
c. A theory that underpins the study.
d. A statistical method for calculating the extent to which the results
could have happened by chance.

98. Qualitative data analysis is still a relatively new and rapidly
developing branch of research methodology.
a. True
b. False

99. The process of marking segments of data with symbols,
descriptive words, or category names is known as _______.
a. Concurring
b. Coding
c. Colouring
d. Segmenting

100. What is the cyclical process of collecting and analysing data
during a single research study called?
a. Interim analysis
b. Inter analysis
c. Inter-item analysis
d. Constant analysis

101. The process of quantifying data is referred to as _________.
a. Typology
b. Diagramming
c. Enumeration
d. Coding

102. An advantage of using computer programs for qualitative data is
that they _______.
a. Can reduce time required to analyse data (i.e., after the data are
transcribed)
b. Help in storing and organising data
c. Make many procedures available that are rarely done by hand
due to time constraints
d. All of the above

103. Boolean operators are words that are used to create logical
combinations.
a. True
b. False

104. __________ are the basic building blocks of qualitative data.
a. Categories
b. Units
c. Individuals
d. None of the above

105. This is the process of transforming qualitative research data from
written interviews or field notes into typed text.
a. Segmenting
b. Coding
c. Transcription
d. Mnemoning

106. A challenge of qualitative data analysis is that it often includes
data that are unwieldy and complex; it is a major challenge to make
sense of the large pool of data.
a. True
b. False

107. Hypothesis testing and estimation are both types of descriptive
statistics.
a. True
b. False

108. A set of data organised in a participants(rows)-byvariables(columns) format is known as a “data set.”
a. True
b. False

109. A graph that uses vertical bars to represent data is called a ___
a. Line graph
b. Bar graph
c. Scatterplot
d. Vertical graph

110. ___________ are used when you want to visually examine the
relationship between two quantitative variables.
a. Bar graphs
b. Pie graphs
c. Line graphs
d. Scatterplots

111. The denominator (bottom) of the z-score formula is
a. The standard deviation
b. The difference between a score and the mean
c. The range
d. The mean

112. Which of these distributions is used for a testing hypothesis?
a. Normal Distribution
b. Chi-Squared Distribution
c. Gamma Distribution
d. Poisson Distribution

called?
a. Statistic
b. Hypothesis
c. Level of Significance
d. Test-Statistic

114. If the assumed hypothesis is tested for rejection considering it to
be true is called?
a. Null Hypothesis
b. Statistical Hypothesis
c. Simple Hypothesis
d. Composite Hypothesis

115. If the null hypothesis is false then which of the following is
accepted?
a. Null Hypothesis
b. Positive Hypothesis
c. Negative Hypothesis
d. Alternative Hypothesis.

116. Alternative Hypothesis is also called as?
a. Composite hypothesis
b. Research Hypothesis
c. Simple Hypothesis
d. Null Hypothesis

### (SPPU online DA mcq with answers)

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