MCQs

Disclaimer:

Educational Use Only:

The website links provided are to be used strictly for educational and knowledge-gaining purposes only.

No Misuse:

Do not misuse the links or the information contained therein for any commercial, illegal, or unethical activities.

Respect for Websites and Businesses:

Respect the intellectual property and business interests of the websites and their owners. Do not attempt to alter, copy, or redistribute content without proper authorization.

Acknowledge Value of Knowledge:

Recognize and value the knowledge and resources shared by these websites. Use the information responsibly and ethically.

No Endorsement:

The provision of these links does not imply endorsement of the linked sites, their content, or their products and services. Users are responsible for evaluating the suitability and accuracy of the information.

User Responsibility:

By accessing these links, you agree to use the information at your own risk and to comply with all applicable laws and website terms of use.

Overall MCQs for Reference

Which type of variable is capable of taking any value within a range?
a. Discrete
b. Categorical
c. Continuous
d. Ordinal
Answer: c. Continuoustestbook+2
Variables that cannot be broken into subparts and contain a gap between values are:
a. Continuous
b. Ordinal
c. Discrete
d. Interval
Answer: c. Discretetestbook+1
Which variable represents the cause in an experiment?
a. Dependent
b. Control
c. Independent
d. Confounded
Answer: c. Independenttestbook
What kind of variable is manipulated to see its effect on another variable?
a. Dependent
b. Independent
c. Control
d. Extraneous
Answer: b. Independenttestbook+1
A variable with only two possible categories is known as:
a. Continuous
b. Dichotomous
c. Interval
d. Ordinal
Answer: b. Dichotomoustestbook
If a variable is affected by other variables in the study, it is called:
a. Dependent
b. Control
c. Independent
d. Active
Answer: a. Dependenttestbook
Which variable is held constant to examine the relationship between other variables?
a. Dependent
b. Control
c. Independent
d. Continuous
Answer: b. Controltestbook+1
Which of the following variables is represented by categories with no inherent order?
a. Ordinal
b. Nominal
c. Interval
d. Ratio
Answer: b. Nominalitfeature+1
Height, weight, and temperature are examples of:
a. Categorical variables
b. Continuous variables
c. Ordinal variables
d. Dichotomous variables
Answer: b. Continuous variablesitfeature+2
Gender, nationality, and religion are examples of:
a. Quantitative variables
b. Qualitative variables
c. Continuous variables
d. Interval variables
Answer: b. Qualitative variablesitfeature+1
An ordinal variable:
a. Has only two categories
b. Has ordered categories
c. Takes any value
d. Measures distance
Answer: b. Has ordered categoriestestbook+1
In research, which is a variable that could affect results but is not the variable of interest?
a. Dependent variable
b. Confounding variable
c. Ratio variable
d. Categorical variable
Answer: b. Confounding variabletestbook
The value that can be measured, not counted, is a property of:
a. Discrete variable
b. Continuous variable
c. Nominal variable
d. Ordinal variable
Answer: b. Continuous variabletestbook+1
A variable with a finite number of possible values is called:
a. Discrete
b. Continuous
c. Ratio
d. Interval
Answer: a. Discreteitfeature+1
Which variable divides subjects into specific categories?
a. Control
b. Independent
c. Dependent
d. Categorical
Answer: d. Categoricalitfeature+1
IQ (intelligence quotient) is an example of which type of variable?
a. Interval
b. Ratio
c. Ordinal
d. Nominal
Answer: a. Intervaltestbook
Which type of variable has a true zero point?
a. Ratio
b. Interval
c. Ordinal
d. Nominal
Answer: a. Ratiotestbook
The number of books in a library best fits under:
a. Continuous variable
b. Discrete variable
c. Ordinal variable
d. Nominal variable
Answer: b. Discrete variableitfeature+1
What is a variable in data science?
a. Fixed value
b. Place holder for values
c. Only categorical
d. Unchangeable
Answer: b. Place holder for valuestestbook+1
Which variable’s categories can be ranked?
a. Nominal
b. Ordinal
c. Ratio
d. Interval
Answer: b. Ordinalitfeature+1
The set of all possible data values for a variable is called:
a. Scale
b. Range
c. Domain
d. Population
Answer: c. Domaintestbook
What kind of variable measures the difference between categories with equal spacing?
a. Nominal
b. Ordinal
c. Interval
d. Dichotomous
Answer: c. Intervaltestbook
Variables that differ in kind, not in amount, are:
a. Quantitative
b. Categorical
c. Continuous
d. Ratio
Answer: b. Categoricaltestbook
When a variable’s value only increases or decreases by set jumps, it is:
a. Ratio
b. Interval
c. Discrete
d. Continuous
Answer: c. Discreteitfeature+1
Which variable classifies data but does not imply order or magnitude?
a. Nominal
b. Ordinal
c. Ratio
d. Interval
Answer: a. Nominalitfeature+1
Which of the following is a continuous variable?
a. Number of apples in a basket
b. Temperature in Celsius
c. Name of a person
d. Type of fruit
Answer: b. Temperature in Celsiustestbook+1
What approach is used to convert categorical variables for use in models?
a. Regression
b. One-hot encoding
c. Scaling
d. Binning
Answer: b. One-hot encodingplacementpreparation+1
In a dataset, the dependent variable is also known as:
a. Response variable
b. Predictor variable
c. Control variable
d. Confounding variable
Answer: a. Response variablegeeksforgeeks+1
The label assigned to the variable being changed or controlled in an experiment is:
a. Dependent
b. Independent
c. Confounding
d. Ordinal
Answer: b. Independenttestbook+1
A variable measured at regular, consistent intervals but not true zero is:
a. Ordinal
b. Ratio
c. Interval
d. Nominal
Answer: c. Intervaltestbook
Which variable may contain numerical values but cannot be meaningfully added or subtracted?
a. Ratio
b. Ordinal
c. Interval
d. Nominal
Answer: b. Ordinalitfeature+1
What variable changes as a result of another variable’s manipulation?
a. Confounding
b. Dependent
c. Independent
d. Nominal
Answer: b. Dependentgeeksforgeeks+1
In regression analysis, the variable predicted from others is:
a. Explanatory
b. Response
c. Independent
d. Nominal
Answer: b. Responsegeeksforgeeks+1
Qualitative data is often represented using:
a. Pie charts
b. Histograms
c. Scatterplots
d. Time series plots
Answer: a. Pie chartsitfeature+1
A variable measured by counting objects or events is usually:
a. Discrete
b. Continuous
c. Interval
d. Ordinal
Answer: a. Discretetestbook+1
A variable with two or more categories, with no ordering among categories, is:
a. Nominal
b. Interval
c. Ordinal
d. Ratio
Answer: a. Nominalitfeature+1
Place in a race (1st, 2nd, 3rd, etc.) is an example of:
a. Ratio variable
b. Nominal variable
c. Ordinal variable
d. Interval variable
Answer: c. Ordinal variabletestbook+1
Which variable is manipulated in an experimental study?
a. Dependent
b. Control
c. Independent
d. Outcome
Answer: c. Independenttestbook+1
Which is true for a ratio variable?
a. Has an arbitrary zero
b. No equal intervals
c. True zero point
d. Non-numeric
Answer: c. True zero pointtestbook
When values between measurements are meaningful and equidistant, but no absolute zero, the variable type is:
a. Nominal
b. Ordinal
c. Ratio
d. Interval
Answer: d. Intervaltestbook
Which statement about variables in data science is correct?
a. Variables always store categorical data
b. Variables store values that can change
c. Variables are always numeric
d. Variables are fixed throughout program execution
Answer: b. Variables store values that can changetestbook+1
In statistics, which type of variable is not measured, but assigned?
a. Categorical
b. Numeric
c. Continuous
d. Ratio
Answer: a. Categoricaltestbook
Which represents a variable with both ordered values and a meaningful zero?
a. Interval
b. Ratio
c. Ordinal
d. Nominal
Answer: b. Ratiotestbook
A dataset recording weights of people utilizes which variable type?
a. Discrete
b. Nominal
c. Continuous
d. Ordinal
Answer: c. Continuousitfeature+1
Which variable can be broken down into infinite subdivisions?
a. Discrete
b. Continuous
c. Nominal
d. Dichotomous
Answer: b. Continuoustestbook
The variable indicating output in a machine learning model is:
a. Control
b. Feature
c. Target
d. Attribute
Answer: c. Targetinterviewbit+1
Which type of variable always has numeric meaning?
a. Ordinal
b. Nominal
c. Ratio
d. Categorical
Answer: c. Ratioitfeature+1
Gender is an example of which variable type?
a. Continuous
b. Dichotomous
c. Interval
d. Ratio
Answer: b. Dichotomoustestbook
A variable that is used to ensure the relationship is not caused by a third factor is:
a. Control variable
b. Dependent variable
c. Nominal variable
d. Ratio variable
Answer: a. Control variabletestbook
Which set consists only of quantitative variables?
a. Eye color, gender
b. Weight, height
c. Religion, language
d. Blood group, nationality
Answer: b. Weight, heightitfeature+1

Blog

Systemethic Technologies

Leave a Reply Cancel reply

Useful links

Other Terms & Policies

Contact Info