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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
Define primary data.
💡 Hint: Think about who collects the data and for what purpose.
Question 2
Easy
List one method of collecting primary data.
💡 Hint: Consider methods where you directly interact with people.
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 primary data?
- Data collected first by someone else
- Data collected for the first time by the investigator
- Data that already exists
💡 Hint: Think about who collects the data for their own needs.
Question 2
True or False: A histogram has spaces between the bars.
- True
- False
💡 Hint: Remember how a bar graph looks compared to a histogram.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
A researcher collected data on daily exercise hours for 15 participants. The data is: 1, 2, 2, 3, 3, 4, 4, 5, 5, 5, 6, 7, 8, 10, 10. Find the mean, median, and mode of this dataset.
💡 Hint: Use the formulas for mean and median, and count how often each number appears for mode.
Question 2
Create a frequency distribution table from the following test scores: 34, 45, 23, 45, 56, 78, 89, 67, 45, 50, 56, 56, 91, 82, 45. Use intervals of 10 for your table.
💡 Hint: Group scores into ranges and count occurrences for each range.
Challenge and get performance evaluation