Scatter Plots, Two Way Tables, Line of Best Fit, Correlation

What type of correlation is seen

• positive

• negative

• none

What is a reasonable slope for the graph

• 1/10

• -1/2

• 10

• no line of best fit

What is the correlation?

• Negative correlation

• No correlation

• Positive correlation

• All of the above

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

• A

• B

• C

• D

What is a scatter plot?

• A graph that shows the relationship of two data sets.

• A graph drawn using rectangular bars to show how large each value is.

• A graph that shows information that is connected in some way.

• A graph that shows data changing over time.

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

• 25 hours

• 35 hours

• 45 hours

• 15 hours

A small theme park is trying to determine the number of guests they should expect on a weekend, based on the temperature outside.  Based on the trend line, about how many guests should be expected if the temperature is around 80°?

• 8,300

• 8

• 7,300

• 9,300

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

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

• As x increases, y decreases

• As x increases, y increases

• As x decreases, y decreases

According to the table, what is the relative frequency of all students who are between ages 14 - 17 and skip breakfast?

• About 27%

• About 35%

• About 15%

• About 30%