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Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Calculate the mean of the following numbers: 5, 10, 15.
💡 Hint: Add all numbers, then divide by how many numbers there are.
Question 2
Easy
Identify the mode of this data set: 1, 2, 2, 3, 4.
💡 Hint: Look for the number that appears most frequently.
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 is the mean of the numbers 10, 20, 30?
- 15
- 20
- 25
💡 Hint: Remember the formula for mean!
Question 2
True or False: The mode is always a unique number.
- True
- False
💡 Hint: Consider that datasets can be bimodal or multimodal.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A teacher has recorded the following scores of her class of 15 students: 20, 22, 23, 23, 25, 27, 30, 30, 30, 32, 35, 36, 38, 40, 40. Calculate mean, median, and mode.
💡 Hint: Sort data first for median and count frequences for mode.
Question 2
In a survey, if the mean of a dataset is 12 and you include one additional number that is 15, what will be the new mean?
💡 Hint: Think about how adding a number affects overall average!
Challenge and get performance evaluation