Lines of Best Fit

Front

Select the statement that best describes the line.

Back

The line is NOT a line of best fit because it does not go through the middle of the data set.

Front

What is the type of correlation?

Back

no correlation

Front

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.

Back

18 chapters

Front

You are analyzing a scatter plot that has a negative correlation. What is true of the x and y values?

Back

As x increases, y decreases.

Front

About how many male math teachers were there in 2006?

Back

35

Front

The number of siblings you have and your weight.

Back

No correlation

Front

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

Back

C

Front

What type of correlation is there between:
Time Spent Watching TV & Grades?

Back

Negative correlation

Front

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

Back

y= 4.19x+(-163.41)

Front

What is a line of best fit used for?

Back

To make predictions