Practice - Collection and Presentation of Data
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Practice Questions
Test your understanding with targeted questions
Define raw data.
💡 Hint: Think about the initial state of data before any processing.
What is grouped data?
💡 Hint: Consider how we can simplify raw data for analysis.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What type of data is known as unprocessed?
💡 Hint: Think about the starting point of data collection.
True or False: Grouped data is more useful than raw data for identifying potential trends.
💡 Hint: Which one would provide a clearer picture for analysis?
2 more questions available
Challenge Problems
Push your limits with advanced challenges
You have collected the ages of a group of people: 18, 22, 19, 21, 18, 20, 22, 19. Create a frequency distribution and draw a histogram.
💡 Hint: Count how many times each age appears first.
You conducted a survey on favorite types of music amongst 50 students. The results are as follows: Pop (20), Rock (15), Jazz (5), Classical (10). Present this data in a pie chart.
💡 Hint: Remember that the total parts should add up to 100%.
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