ECO351 · Fall 2026 · Lecture 06 practice

Probability and Statistics Review plus Quiz 1

Chapters 2–4 · Review and the least-squares principle

Move from sample summaries to a fitted line and its residuals.

Work out an answer before checking. Calculation and choice questions give immediate feedback and a worked solution. For explanations, compare your answer with the checklist. The last task lets you change the case and try again.

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Explore the example

Change the values or the scenario, then answer for the case shown. Changing a setting clears this task’s previous attempt.

Stata output

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