Which statistical test is used to determine if there is a significant association between two categorical variables?
Select an option to see the answer and solution.
Data Science · all questionsData Science Miscellaneous
Data Science Miscellaneous
practice.
Practice every MCQ with options. Use Show answers when you want the correct option and solution.
294
Questions
1/15
Page
Pick an option on a question to see the right answer and solution.
In the context of data ethics, what does "bias mitigation" refer to?
Select an option to see the answer and solution.
What does the term "overfitting" mean in machine learning?
Select an option to see the answer and solution.
In the CRISP-DM data mining process model, what does "DM" stand for?
Select an option to see the answer and solution.
Which Python library is commonly used for natural language processing tasks such as text tokenization and language understanding?
Select an option to see the answer and solution.
What is the primary goal of exploratory data analysis (EDA)?
Select an option to see the answer and solution.
What does the term "cross-validation" refer to in machine learning?
Select an option to see the answer and solution.
What is the main purpose of the K-means clustering algorithm?
Select an option to see the answer and solution.
Which data visualization technique is suitable for displaying the distribution of a single numerical variable?
Select an option to see the answer and solution.
What does the acronym "SQL" stand for in the context of databases?
Select an option to see the answer and solution.
What is the primary purpose of feature scaling in machine learning?
Select an option to see the answer and solution.
What is the term for the process of converting text data into numerical form for machine learning?
Select an option to see the answer and solution.
What does the acronym "API" stand for in the context of data and software integration?
Select an option to see the answer and solution.
In the context of data analysis, what is the primary goal of hypothesis testing?
Select an option to see the answer and solution.
What statistical technique is used to estimate population parameters from a sample of data?
Select an option to see the answer and solution.
What is the term for the process of finding and correcting errors in a dataset?
Select an option to see the answer and solution.
In data science, what does the acronym "ETL" stand for?
Select an option to see the answer and solution.
What is the primary goal of A/B testing in data analysis?
Select an option to see the answer and solution.
In the context of machine learning, what is the purpose of regularization techniques such as L1 and L2 regularization?
Select an option to see the answer and solution.
What is the term for the process of converting categorical data into numerical form for machine learning?
Select an option to see the answer and solution.