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

The range in data science is defined as the difference between the largest and smallest values in a dataset.wikipedia+2
a. It reflects the variance from the mean
b. It shows the sum of all values
c. It shows the spread of values
d. It is unrelated to spread
Answer: cgeeksforgeeks+1
Which formula correctly calculates the range of a dataset?
a. Range = Mean – Median
b. Range = Maximum value – Minimum value
c. Range = Standard Deviation × Variance
d. Range = Median + Mode
Answer: bvedantu+1
What is the range of the data set {10, 22, 15, 7, 9}?
a. 15
b. 10
c. 13
d. 12
Answer: c (22-9=13)byjus+1
For grouped data, how is range calculated?
a. By using frequency
b. Upper limit of last interval – Lower limit of first interval
c. Sum of all frequencies
d. Highest frequency – Lowest frequency
Answer: bbyjus+1
What does a large range indicate?
a. Small variation
b. Greater spread in data
c. Fewer observations
d. Homogeneous data
Answer: bstatisticsbyjim+1
Which property does range primarily highlight in a dataset?
a. Central tendency
b. Dispersion
c. Relationship
d. Correlation
Answer: beducative+2
If dataset A has a range of 7 and dataset B has a range of 20, what can be inferred?
a. Both datasets have same spread
b. B is more dispersed than A
c. A has larger values than B
d. B has more data points
Answer: bstatisticsbyjim
In the data set {3, 8, 15, 14, 2}, what is the range?
a. 13
b. 11
c. 12
d. 9
Answer: a (15-2=13)vedantu+1
What is a major advantage of using range?
a. It is resistant to outliers
b. It is simple to calculate
c. It requires complex formulas
d. It shows data distribution precisely
Answer: baskfilo+1
What is a significant limitation of the range?
a. It uses all data values equally
b. It is insensitive to outliers
c. It only considers extremes
d. It indicates correlation
Answer: cpickl+2
Which statement about range is TRUE?
a. It is always the best measure of dispersion for large datasets
b. It is mainly used for small or simple datasets
c. It averages all values
d. It eliminates outlier effects
Answer: bpsychology+1
What does a range of zero indicate about a dataset?
a. All values are different
b. All values are the same
c. Dataset is skewed
d. Mean is zero
Answer: bvedantu+1
Which of the following is not required to compute the range?
a. Maximum value
b. Minimum value
c. Mean value
d. Dataset values
Answer: cwikipedia+1
Which scenario is the range LEAST informative in?
a. Small dataset without outliers
b. Data with many outliers
c. Uniform data
d. Simple discrete data
Answer: bcampuspi+2
What is the primary unit of the range?
a. Always in percentage
b. Same as the original data unit
c. Always in standard deviation
d. Unit-less
Answer: bwikipedia+1
A dataset with a maximum value of 42 and a minimum value of 9 has a range of:
a. 30
b. 31
c. 33
d. 34
Answer: d (42-9=33)vedantu+1
For which scenario is the range a useful measure?
a. Large complex datasets with many outliers
b. Small, simple datasets
c. Comparing means only
d. Calculating correlations
Answer: bpsychology+1
Which measure is NOT a measure of dispersion?
a. Range
b. Interquartile range
c. Variance
d. Mode
Answer: deducative+1
Which of the following is most affected by a single extreme value?
a. Mean
b. Range
c. Median
d. Standard deviation
Answer: bpickl+2
If all values in a dataset are increased by 5, what happens to the range?
a. Range increases
b. Range decreases
c. Range is unchanged
d. Range becomes zero
Answer: ccuemath
What is the role of range in preliminary data analysis?
a. Gives quick sense of spread
b. Shows precise standard deviation
c. Provides deep distribution insight
d. Determines mean
Answer: aaskfilo+1
What can be inferred if the range is very large compared to other dispersion measures?
a. Outliers likely present
b. Data is always normally distributed
c. Data is highly correlated
d. Median equals mode
Answer: acampuspi+2
In grouped data, range is calculated using:
a. Class marks only
b. Class boundaries
c. Frequency values
d. Cumulative frequency
Answer: borchidsinternationalschool+1
Which combination gives you the range in a data set?
a. Max value and sum of values
b. Min value and max value
c. Mean and mode
d. None of the above
Answer: bgeeksforgeeks+2
For which type of data is the range LEAST effective?
a. Homogeneous data
b. Large data sets with outliers
c. Small data sets
d. Unimodal distributions
Answer: baskfilo+1
How does sample size affect the range?
a. Larger samples always decrease range
b. Larger samples can increase range
c. Sample size has no effect
d. Range is only for population data
Answer: bstatisticsbyjim
If the range is 0, what can you say about the data?
a. Mean is 0
b. All values are identical
c. Data is skewed left
d. Only two data points
Answer: bvedantu+1
In which situation does the range best summarize variability?
a. Normal distributions with many outliers
b. Simple data with no extremes
c. Large, complex datasets
d. Bimodal distributions
Answer: bpsychology+1
For continuous frequency distributions, range is found using:
a. Frequency of lowest class
b. Lower boundary of first class and upper boundary of last class
c. Cumulative frequency
d. Arithmetic mean
Answer: bbyjus+1
Which is always TRUE about the range?
a. It requires all data points for calculation
b. It ignores most data points except two
c. It equals the standard deviation for normal distributions
d. It is always positive
Answer: bpickl+1
What does a smaller range indicate about a data set?
a. Data points are closely clustered
b. Data is uniformly distributed
c. Outliers are present
d. Data is spread out
Answer: awikipedia+1
Which of the following statements is TRUE regarding range and standard deviation?
a. Both consider only extremes
b. Both are unaffected by outliers
c. Range is simpler but less informative than standard deviation
d. Standard deviation ignores data values
Answer: cgeeksforgeeks+1
The range can be used to:
a. Identify possible errors or outliers
b. Calculate median
c. Determine total sample size
d. Establish causality
Answer: acampuspi+2
The only measure of dispersion that uses only two data points is:
a. Interquartile range
b. Range
c. Variance
d. Mean deviation
Answer: bpickl+1
Which is a disadvantage of the range?
a. Quick to calculate
b. Takes all values into account
c. Not reliable for large datasets
d. Not affected by outliers
Answer: caskfilo+1
The range is most reliable when:
a. The data set is very large
b. There are no outliers
c. The data set is multimodal
d. Range is always reliable
Answer: bpsychology+1
If the maximum value in a dataset is changed, what happens to the range?
a. Range never changes
b. Range increases or decreases
c. Range always decreases
d. Range becomes constant
Answer: bcuemath+1
When comparing ranges, what should be similar between datasets?
a. Sample sizes
b. Mean values
c. Median values
d. Number of outliers
Answer: astatisticsbyjim
What formula is used for range in a dataset with both positive and negative numbers?
a. Highest value – Lowest value
b. Mean – Median
c. Mode + Median
d. Sum of all values
Answer: acuemath
For an ascending data set, range can be found by:
a. First value – Last value
b. Last value – First value
c. Middle value only
d. Sum of modes
Answer: bvedantu+1
Does the range provide information about the shape of the data distribution?
a. Yes, always
b. Only for normal distributions
c. No, it only tells spread
d. Yes, in bimodal data
Answer: ccampuspi+1
Which measure would better summarize spread in skewed data than range?
a. Mode
b. Interquartile range
c. Arithmetic mean
d. Frequency
Answer: bstatisticsbyjim
Dataset: {4, 4, 4, 4, 4}. Range is:
a. 0
b. 2
c. 4
d. 1
Answer: avedantu+1
If an outlier is introduced that is much larger than the maximum, the range will:
a. Decrease
b. Remain constant
c. Increase significantly
d. Be unaffected
Answer: cpsychology+2
For a dataset {12, 19, 15, 10}, what is the range?
a. 9
b. 7
c. 8
d. 6
Answer: a (19-10=9)byjus+1
What is one reason the range is quick to interpret?
a. It requires mean and standard deviation
b. It uses only two values
c. It sorts entire dataset
d. It finds all quartiles
Answer: baskfilo+1
Why should range not be the sole measure of spread in large complex datasets?
a. Too slow to compute
b. Strongly affected by extremes
c. Needs median calculation
d. Requires frequency distribution
Answer: bpickl+1
If the minimum value decreases and maximum remains same, how does the range change?
a. Increases
b. Decreases
c. Stays the same
d. Unaffected
Answer: ageeksforgeeks+1
Which is NOT true about range?
a. It tells how values are spread out
b. It is insensitive to sample size
c. It equals highest minus lowest value
d. It helps spot outliers
Answer: bpickl+1
In grouped data, the boundaries used for range calculation are called:
a. Frequency marks
b. Class boundaries
c. Outlier points
d. Quartile points
Answer: borchidsinternationalschool+1

Blog

Systemethic Technologies

Leave a Reply Cancel reply

Useful links

Other Terms & Policies

Contact Info