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3 cards from this section. Quick, good the night before a test.
Define 'data' in your own words.
Think about examples like temperature or population.
Give one example of a primary source of data.
Consider firsthand data collection methods.
What is data?
Remember that data is more than one measurement.
True or False: Secondary data is collected firsthand.
Reflect on how primary sources differ from secondary.
A study shows the population growth in two cities. City A grew from 1,000 to 1,200 and City B from 2,000 to 2,500. Calculate the growth percentages.
Use the percentage growth formula for comparison.
A dataset of scores from a test is given. Organize the data into classes of ten and create a frequency table.
Think of how to group the scores logically.
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