Assess Your Core Understanding of Data Science Ideas and Tools
A quick assessment covering basic data science ideas, tools, and terminology.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
Which library is most commonly used for data manipulation in Python?
- 2
What does the acronym CSV stand for?
- 3
In supervised learning, the target variable is also called the ____.
- 4
Which chart type best shows the distribution of a single numeric variable?
- 5
What is the primary purpose of train‑test split?
- 6
Which of the following is a measure of central tendency?
- 7
Which function in NumPy creates an array of zeros?
- 8
What kind of learning algorithm predicts a continuous value?
- 9
Which Python package provides functions for statistical tests like t‑test?
- 10
In pandas, which method removes rows with any missing values?
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