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4 cards from this section. Quick, good the night before a test.
What is the mode in the dataset: 2, 3, 4, 4, 5?
Look for the number that appears most frequently.
What term describes the middle value in a sorted dataset?
It’s the middle number when you arrange data in order.
What is the primary purpose of data processing?
Consider why we need to make sense of data.
True or False: Measures of dispersion tell us how clustered or spread out data points are.
Think about what dispersion means in the context of data.
Analyze a dataset of monthly rainfall amounts for a region over five years. Calculate the average rainfall and assess the variability using the standard deviation.
You may need to break calculations into smaller steps.
Conduct a correlation analysis between a school’s hours spent on math homework and student test scores. What does your finding suggest?
Think about how you would measure this in real terms.
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