Correlation and Scatterplot Review

Choose the graph with a trend line that best fits the data.

• graph 1

• graph 2

• graph 3

• graph 4

As x increases, y increases

• correlation coefficient

• causation

• positive correlation

• negative correlation

The equation of the trend line
is  y= 1/2x +1
How many laps can a bicycle
make around the park in
23 minutes?    

• 44 laps

• 12 1/2 laps

• 23 laps

The equation of the trend line is y= 1/2x +1

How many laps can a bicycle make around the park in 11 minutes?

• 44 laps

• 12 1/2 laps

• 20

• 23

Write an equation for the trend line

• y= 0.5x

• y= 2x

• y= -0.5x

• y= -2x

Make a prediction for a resting heart rate after 6 hours of exercise a week.

• 6

• 50

• 55

• 59

Name the correlation in this graph

• Positive correlation

• Negative correlation

• No correlation

• Lots of correlation

Based on the scatterplot, which of the following conclusions about the relationship between her height and weight is true? 

• There is a negative relationship between height and weight

• There is a positive relationship between height and weight

• There is a constant relationship between height and weight

• There is no relationship between height and weight

• 30 minutes

• 33 minutes

• 38 minutes

• 45 minutes

• F

• G

• H

• J