WorksheetsML Quiz 1
Total questions: 15
Worksheet time: 8mins
What is the primary goal of machine learning?
To memorize data
To make predictions based on data patterns
To replace human intelligence
To execute predefined instructions
Which of the following is NOT a type of machine learning?
Supervised Learning
Unsupervised Learning
Constructive Learning
Reinforcement Learning
In supervised learning, the model is trained using:
Unlabeled data
Only input data
Labeled data
Random data points
Clustering is an example of which type of learning
Supervised Learning
Unsupervised Learning
Reinforcement Learning
Semi-Supervised Learning
What is the primary function of reinforcement learning?
To label data
To learn by receiving rewards and punishments
To find patterns in unlabeled data
To create new datasets
What is the purpose of data cleaning?
Remove duplicate data
Handle missing values
Correct inconsistencies
All of the above
What is an outlier in a dataset?
A missing value
A data point that is significantly different from other observations
A duplicate entry
A categorical variable
Which of the following is an example of ordinal data?
Student names
Eye color
Customer satisfaction levels (Low, Medium, High)
Employee ID
Diagnostic Analysis is
what happened in the past
actions you can take to affect those outcomes.
what is most likely to happen in the future.
why something happened in the past
The process of detection and removal of errors in data is called
data modifying
data analyzing
data cleaning
data detecting
Which of the following is NOT an ordinal variable?
Education level (Primary, Secondary, Higher)
Movie ratings (1 star, 2 stars, 3 stars, 4 stars)
Blood group (A, B, AB, O)
Customer satisfaction (Low, Medium, High)
Which set represents popular measures of central tendency?
Mean, Range, Variance
Median, Mode, Standard Deviation
Mean, Median, Mode
Quartile, Percentile, Range
The Interquartile Range (IQR) is calculated as:
Q₁ − Q₃
Q₃ − Q₁
Q₂ − Q₁
Maximum − Minimum
Veracity of data mainly refers to:
Speed of data generation
Size of data
Truthfulness and reliability of data
Format of data
Which of the following is an example of operational data?
Annual strategic planning report
Daily sales transactions
Government census report
Research survey analysis
