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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Find the mean for the data set: 2, 4, 6, 8, 10.
💡 Hint: Add the numbers and divide by the total count.
Question 2
Easy
What is the deviation of 5 from the mean of 10?
💡 Hint: Subtract the mean from the data point.
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 formula for deviation from the mean?
- x - x̄
- x̄ - x
- x + x̄
💡 Hint: Remember the relationship between data points and the mean.
Question 2
True or False: A higher standard deviation indicates data points that are closer to the mean.
- True
- False
💡 Hint: Consider what large deviations imply.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given the heights of 5 students: 150cm, 160cm, 165cm, 170cm, 180cm, calculate the variance and standard deviation.
💡 Hint: Square the deviations and average them!
Question 2
For the dataset from the last semester's scores: 58, 64, 70, 75, 80, how do you interpret a standard deviation of 8?
💡 Hint: How does this affect understanding overall performance?
Challenge and get performance evaluation