Scatter Plots and Correlation Test Review

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase.

• As the temperature increases, the number of visitors increases.

• As the visitors increase, the temperature decreases.

• No 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

What type of association does this scatter plot show?

• Positive Association

• Negative Association

• No Association

What is the correlation shown?

• none

• positive

• negative

• There is a positive correlation.

• There is a negative correlation.

• There is no correlation.

• There is a parallel correlation.

The scatter plot shows the number of absences in a week for classes of different sizes.  Trevor concluded that there is a positive correlation.  Which statement best describes why Trevor's conclusion was incorrect.

• The largest class does not have the most absences.

• The smallest class does not have the least number of absences.

• The data show no relationship between class size and number of absences.

• The data show a negative relationship between class size and number of absences.

This is the scatter plot representation of the height of soccer players and their weight. What do you notice?

• There is a positive correlation. 

• There is a negative correlation. 

• There is no correlation. 

• A

• B

• C

• D

A math teacher observed that as the number of hours students studied their multiplication facts increased, the number of errors the students made on their multiplication tests decreased. Which scatterplot could support this teacher’s observation?

• A

• B

• C

• D