Predictions from Scatter Plots

Best prediction for sales if the temperature is 21°C? (select all that are good predictions)

Best prediction of number of hours a student sleeps if they play video games for 9 hours?

(Draw a dot where your point is for your prediction)

Best prediction for grocery bill for 8 people? (Look at the best predicted cost for 4 people and double it)

(a)  

Positive linear, negative linear, nonlinear, or no apparent association?

Positive linear, negative linear, nonlinear, or no apparent association?

Positive linear, negative linear, nonlinear, or no apparent association?

Positive linear, negative linear, nonlinear, or no apparent association?

Which of the following could be a possible line of best fit for the data?

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.

(a)  

Find the equation of the line of best fit for the given data