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2 weeks ago
It's common for a movie's ticket sales to open high for the first couple of weeks, then gradually taper off as time passes. Hoping to be able to better understand how quickly sales decline, an industry analyst keeps track of box office revenues for a new film over its first 20 weeks. What inference method might provide useful insight?

t-Interval for slope

▸ χ2 goodness-of-fit test

▸ 1-proportion z-test

t-test for linear regression

t-Interval for a mean
Textbook 

Stats: Modeling the World


Edition: 4th
Authors:
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2 weeks ago
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t-Interval for slope
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2 weeks ago
This calls for a celebration Person Raising Both Hands in Celebration
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