Tag: Regression line

Without drawing a scatter plot, would you expect a positive, negative or no correlation? Explain.

Read/review the following resources for this activity:

Which would be the independent variable, and which would be the dependent variable?

Without drawing a scatter plot, would you expect a positive, negative or no correlation? Explain.

Would you categorize your data to have a strong or weak correlation? Why?

What would the r2 value tell you about the data that you selected?

What is the equation of the regression line?

Use the regression line to make a prediction about the data you collected.

What did you get for your regression line? What was your r value? What did this tell you? What would be a scenario where you might need to use this application?

Attach your excel worksheet with your scatter plot, r value and regression line along with your post if possible. What did you get for your regression line? What was your r value? What did this tell you?
What would be a scenario where you might need to use this application?