Math Positive Negative Correlations

Which statement is BEST describes the relationship between years with the company and the percentage raise in pay shown in the scatter plot?

• As time with the company increases, the percentage raise in pay remains constant.

• As time with the company increases, the percentage raise in pay increases.

• As time with the company increases, the percentage raise in pay decreases.

• As time with the company increases, the percentage raise in pay decreases at first, then increases.

Tags

CCSS.HSF.LE.B.5

Is this line an accurate line estimate of best fit for the data?

• Yes

• No

What type of correlation?
As the temperature outside is going higher and the amount of ice cream sales. 

• Positive correlation

• Negative correlation

• No correlation

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. 

• 12 chapters

• 15 chapters

• 18 chapters

• 21 chapters

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 140 pages. 

• 12 chapters

• 19 chapters

• 14 chapters

• 21 chapters

A line drawn in a scatter plot to fit most of the dots and

shows the relationship between the two sets of data

• Association

• Causation

• Line of Best Fit

• Linear Regression

What is a line of best fit used for?

• To make predictions

• To make the graph look pretty

• To connect the points

Using the given scatter plot, estimate how many emails per day an 18 year old gets.

• 48

• 38

• 28

• 18

Using the scatterplot and best fit line, estimate what the resting heart rate is after 2 hours of exercise.

• 65

• 85

• 72

• 62

Based on the graph, if Joe earned $400, how many hours did he work?

• 25 hours

• 35 hours

• 45 hours

• 15 hours

Tags

CCSS.HSF.IF.A.2