What is a decision tree used for?

C. To evaluate the performance of classification models

What is Machine Learning?

B. A technique that allows computers to learn patterns from data

“Algorithms” are best described as:

B) Pre-written steps for solving computational problems

What does “data care” mean in the context of the video?

C) Finding, cleaning and understanding data

How does a decision tree function in machine learning?

B. It guides decision-making by asking questions about data features

What is the function of a crawler in data science?

B) A program that automatically collects web data

Which of the following best explains “domain expertise”?

B) The skill of understanding a specific industry deeply

What does it mean to “tune an algorithm”?

B) Adjust its parameters to improve accuracy

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A quiz about AI/ML & Data Analysis

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Questions 11

Answers

1
What is a decision tree used for?
D. To reduce the size of large datasets
A. To store training data securely
B. To organize datasets by topic
C. To evaluate the performance of classification models
2
What is Machine Learning?
A. A form of programming that automates software updates
D. A process for manually labeling data for future use
B. A technique that allows computers to learn patterns from data
C. A system that replaces all human decision-making
3
Which of the following is a real-world application of machine learning?
D. Managing employee salaries
A. Predicting weather manually
B. Filtering spam emails
C. Typing documents automatically
4
“Algorithms” are best described as:
D) A way to pitch ideas to stakeholders
C) Techniques to detect anomalies
B) Pre-written steps for solving computational problems
A) Tools for data visualization
5
What does “data care” mean in the context of the video?
A) Detecting unusual patterns in the dataset
D) Combining different datasets into one
C) Finding, cleaning and understanding data
B) Writing algorithms to optimize results
6
How does a decision tree function in machine learning?
C. It randomly assigns outcomes to input data
B. It guides decision-making by asking questions about data features
D. It stores database queries for future access
A. It visualizes the flow of network traffic
7
What is the function of a crawler in data science?
B) A program that automatically collects web data
C) A technique to improve data care
A) A tool to visualize patterns in data
D) A method to predict future events
8
Storytelling helps data scientists communicate insights to non-
False
True
9
Which of the following best explains “domain expertise”?
B) The skill of understanding a specific industry deeply
D) Advanced coding and machine learning knowledge
C) The art of storytelling with numbers
A) The ability to convert human problems into computer problems
10
Data scientists always build their own algorithms from scratch.
True
False
11
What does it mean to “tune an algorithm”?
B) Adjust its parameters to improve accuracy
C) Replace it with an open-source model
A) Make it more visually appealing
D) Merge it with data from different sources

A quiz about AI/ML & Data Analysis Flashcards | StudBud