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Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is a pie chart used for?
💡 Hint: Think about how pie slices represent parts of a total.
Question 2
Easy
Define 'margin of error'.
💡 Hint: Consider how confident we are in the data.
Practice 4 more questions and get performance evaluation
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does a pie chart show?
💡 Hint: Think about pie slices!
Question 2
The margin of error indicates reliability.
💡 Hint: Consider what margin of error represents.
Solve 1 more question and get performance evaluation
Push your limits with challenges.
Question 1
A poll conducted shows that 42% of 200 voters favor Candidate A. If the margin of error is 5%, what can be inferred about the true percentage?
💡 Hint: Subtract and add the margin of error to the reported percentage.
Question 2
If a pie chart shows that 25% of voters prefer Candidate B from a total of 400 surveyed, how many voters does that represent?
💡 Hint: Use the formula: (percentage/100) * total voters.
Challenge and get performance evaluation