UniversityMathsRegression, confidence intervals and hypothesis tests10–15 min
Fit and Test
Fit least-squares lines and read their residuals, build confidence intervals for a mean, and decide with t tests and a chi-square goodness-of-fit test.
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The experiment opens when it comes into view.
Theory and model assumptions
Fit least-squares lines and read their residuals, build confidence intervals for a mean, and decide with t tests and a chi-square goodness-of-fit test.
Teacher guidance
University, Statistics
Expected time: 10–15 minutes.