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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the mean of the following numbers: 3, 5, 8, 10?
💡 Hint: Add the numbers and divide by how many there are.
Question 2
Easy
If the midpoint of a class interval is 50 and the frequency is 10, what is the total from this class?
💡 Hint: You multiply midpoint by frequency.
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 mean using the direct method?
- ∑ fx/N
- ∑ x/N
- N/∑ fx
💡 Hint: Remember, you are computing an average.
Question 2
True or False: The indirect method of computing mean is always more accurate than the direct method.
- True
- False
💡 Hint: Think about which situations a method might be better suited.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Using a frequency table with intervals from 100-200, 200-300, and 300-400 with respective frequencies of 20, 30, and 50, calculate the mean using both methods. Provide detailed calculations.
💡 Hint: Analyze both approaches, the calculations should end up being the same.
Question 2
Examine a scenario where using the indirect method might yield complexities. Discuss these scenarios and implications.
💡 Hint: What could go wrong when coding the data?
Challenge and get performance evaluation