Introducing Statistics: Learning from Data
AP Statistics · Flashcards
AP STATISTICS · FLASHCARDS
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QUESTION
What is a residual in regression analysis?
QUESTION
How is variance calculated in a sample?
QUESTION
What is the empirical rule?
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ANSWER
The empirical rule states that 68%, 95%, and 99.7% of data fall within 1, 2, and 3 standard deviations from the mean, respectively. Applies specifically to normal distributions with predictable percentages.
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