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WorksheetsQuiz-4 ML
Total questions: 20
Worksheet time: 10mins
What is Machine Learning
The autonomous acquisition of knowledge through the use of computer programs
The autonomous acquisition of knowledge through the use of manual programs
The selective acquisition of knowledge through the use of computer programs
The selective acquisition of knowledge through the use of manual programs
What is data science?
The study of computers and their applications
The extraction of meaningful insights from data
The analysis of physical and biological processes
The study of algorithms and data structures
Which programming language is widely used in data science?
(a)
What is the process of converting raw data into a usable format called?
Data visualization
Data preprocessing
Data modeling
Data analysis
Which of the following is NOT a supervised learning algorithm?
Linear regression
Decision tree
K-means clustering
Random forest
What is the purpose of exploratory data analysis (EDA)?
To predict future outcomes
To summarize and visualize data
To remove outliers from the dataset
To transform categorical variables into numerical ones
Which evaluation metric is commonly used for classification problems?
Mean Squared Error (MSE)
R-squared (R^2)
Accuracy
Root Mean Squared Error (RMSE)
What is the purpose of regularization in machine learning?
To reduce overfitting
To increase model complexity
To speed up model training
To eliminate outliers from the dataset
What is the process of finding the best hyperparameters for a model called?
Feature selection
Model selection
Hyperparameter tuning
Cross-validation
Which data visualization technique is best suited for displaying categorical data?
Scatter plot
Histogram
Box plot
Bar chart
Which statistical test is used to determine if there is a significant difference between two groups?
t-test
ANOVA
Chi-square test
Pearson correlation
What is the purpose of feature engineering?
To create new features from existing ones
To remove irrelevant features from the dataset
To normalize the data
To handle missing values in the dataset
What is the purpose of cross-validation in machine learning?
To assess model performance on unseen data
To split the dataset into training and testing sets
To preprocess the data before model training
To handle class imbalance in the dataset
Which algorithm is commonly used for anomaly detection?
Linear regression
Logistic regression
K-means clustering
Decision tree
What is the purpose of dimensionality reduction?
To increase the number of features in the dataset
To remove outliers from the dataset
To visualize high-dimensional data
To handle missing values in the dataset
Which algorithm is used for unsupervised learning?
Linear regression
Decision tree
K-means clustering
Random forest
Python stands for
Monty Python
Santa Python
Snake Python
Anaconda Python
Which one is correct python logo
Extensions of Python files is
.python
.py
.pn
.po
Python first released on
Feb 20, 1991
Mar 20, 1991
Feb 20, 1996
Mar 20, 1996
