Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the formula for calculating the Z-score?
💡 Hint: Remember to consider how both mean and standard deviation are involved.
Question 2
Easy
Why is standardization important?
💡 Hint: Think about different scales of data.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does standardization do to a dataset?
- Convert all data to a common scale
- Remove outliers
- Change categorical data to numerical
💡 Hint: Think about the concept of mean and deviation.
Question 2
True or False: Standardization is necessary for all types of data.
- True
- False
💡 Hint: Consider cases where features are homogeneous.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Suppose you have a dataset with weight, height, and age of individuals. Explain how you would prepare this dataset for a clustering algorithm using Z-score scaling.
💡 Hint: Consider how different measurements affect clustering.
Question 2
You are given a choice between normalization and standardization for a dataset heavily skewed by outliers. Which method would you choose and why?
💡 Hint: Recall the effect of outliers on each method.
Challenge and get performance evaluation