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Course: Get ready for AP? Statistics?>?Unit 3
Lesson 2: Estimating with trend lines- Estimating the line of best fit exercise
- Eyeballing the line of best fit
- Estimating with linear regression (linear models)
- Line of best fit: smoking in 1945
- Estimating slope of line of best fit
- Estimating equations of lines of best fit, and using them to make predictions
- Equations of trend lines: Phone data
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Estimating equations of lines of best fit, and using them to make predictions
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Problem
A panel of judges was asked to judge the quality of different kinds of potato chips. The relationship between their ratings and the price of the chips is shown in the scatter plot below. A line was fit to the data to model the relationship.
Which of these linear equations best describes the given model?
Based on this equation, estimate the rating of chips whose cost is
Round your answer to the nearest hundredth.
Round your answer to the nearest hundredth.