Scatterplot with Trend Lines Predictions

About how many male math teachers were there in 2006?

• 15

• 30

• 35

• 45

Which of the following lines represents the line of best fit for the scatter plot?

• A

• B

• C

• D

What type of correlation does this graph have?

• Linear and Negative

• Non-Linear and No Association

• Linear and Positive

• Non-Linear and Negative

• Non-Linear and Positive

Describe the association for the graph.

• Linear and Positive

• Linear and Negative

• Non-Linear and Negative

• Non-Linear and Positive

• Non-Linear and No Association

Mr. Thomas wanted to know if the amount of class time that he gave students to study affected their test scores.  What kind of relationship between class study time and test scores is shown on the scatter plot.

• No correlation

• Positive correlation

• Negative correlation

• Positive then negative correlation

What type of correlation does this graph have?

• positive 

• negative

• none

• all of the above

What is the correlation between length of running start and distance of jump?

• positive:  the further you run the further you jump

• negative: the less you run the less distance of your jump

• positive: the further your running start the less your distance

What type of association does this graph have?

• positive

• negative

• none

• all of the above

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

• The more books students read, the lower their English grade.

• The more books students read, the higher their English grade.

• The fewer books students read, the higher their English grade. 

• No relationship exists between the number of books students read and their English grades. 

What does the x variable represent?

• The number of laps

• The amount of time in hours

• The amount of time in minutes

• How long it takes to go 0 laps