• Enter data into a spreadsheet
• Estimate using line formula
• Enter m and b variables to get a close match
• Solve by hand first!
• Check answer by inserting a trendline
• Look for better fit with another trendline

Deliverables

• Original data
• columns for estimate, residual, residual squared
• Chart showing your estimated trendline and automated trendline
• A short (one-two paragraph) description of what you've learned