Practice Numpy (15.5.1) - Python Packages - CBSE 10 AI (Artificial Intelleigence)

Practise this section

10 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
4 questions · about 3 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What library do we use in Python for numerical operations?
Show hintHide hint
Think about the standard library for numerical computations.
Question 2.
How would you create a NumPy array of numbers 4, 5, 6?
Show hintHide hint
Remember the function used to create arrays.
3Question 3.
What is the main purpose of NumPy?
- Array visualization
- Numerical computations
- Data collection
Show hintHide hint
Think of applications in data science.
4Question 4.
True or False: NumPy arrays can contain mixed data types.
- True
- False
Show hintHide hint
Remember the characteristics of data storage in NumPy.
Question 5.
Given a NumPy array containing the first ten prime numbers, write a function to calculate and return the mean of these numbers.
Show hintHide hint
Use the same `mean()` function we discussed.
Question 6.
Create a NumPy array that contains the squares of numbers between 1 and 10. Write the code to calculate their mean.
Show hintHide hint
Think about list comprehensions as you create the array.

6 more questions in this section. Enroll free to practise them all.