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5 cards from this section. Quick, good the night before a test.
Define raw data.
Think about the initial state of data before any processing.
What is grouped data?
Consider how we can simplify raw data for analysis.
What type of data is known as unprocessed?
Think about the starting point of data collection.
True or False: Grouped data is more useful than raw data for identifying potential trends.
Which one would provide a clearer picture for analysis?
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.
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.
Remember that the total parts should add up to 100%.
6 more questions in this section. Enroll free to practise them all.
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