Practice - Statistics and Probability
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Practice Questions
Test your understanding with targeted questions
What is the mean of the dataset {10, 20, 30, 40}?
💡 Hint: Add all numbers and divide by how many there are.
Identify the mode in the following dataset {4, 1, 2, 4, 3}?
💡 Hint: Look for the number that appears most frequently.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the mean of the numbers 10, 20, 30?
💡 Hint: Add the numbers then divide by how many there are.
True or False: The median is always the same as the mean.
💡 Hint: Consider the arrangement of data values.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
In a class of 20 students, 12 passed a math exam. Calculate the probability of randomly selecting a student who passed the exam.
💡 Hint: Count the total students and the number who passed.
A bag contains 4 red, 6 blue, and 5 green balls. What is the probability of drawing a blue ball?
💡 Hint: Determine the total number of balls first.
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Reference links
Supplementary resources to enhance your learning experience.