Constructing Scatterplots Review

Is there a relationship shown?

• Yes, as number of TVs increases, the price per TV increases

• Yes, as number of TVs increases, the price per TV decreases

• No, there is no relationship displayed.

What type of relationship does this graph have?

• As the input increases, the output increases

• As the input increases, the output decreases

• As the input increases, the output does not change

• no relationship

Constructing a scatterplot has 3 steps. Which of the following is NOT one of the steps?

• Label the x- and y-axis

• Plot the points

• Identify the relationship between the variables

• Connect the dots

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

• As the length of running increases, the distance of the long jump increases.

• As the length of running increases, the distance of the long jump decreases.

• There is no relationship between the length of running and the distance of the long jump.

• As the length of running increases, the distance of the long jump does not change.

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

In a scatterplot, if the points do not show any discernible pattern, what can be inferred about the relationship between the two variables being compared?

• They have a strong relationship.

• They have a weak or no relationship.

• They have a perfect relationship.

• They have a negative relationship.

If the points on a scatterplot form a straight line going downwards from left to right, what does this indicate?

• A positive correlation

• A negative correlation

• No correlation

• A perfect correlation

This scatterplot could show the relationship between which two variables?

• speed of an airplane (x) vs. distance traveled in one hour (y)

• outside air temperature (x) vs. air-conditioning costs (y)

• age of an adult (x) vs. height of an adult (y)

• distance traveled (x) vs. gas remaining in the tank (y)

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 a scatterplot show?

• The exact values of two variables for a set of data

• The relationship between two variables

• The difference between the highest and lowest values in a dataset

• The average value of a dataset