Scatter Functions Eng

Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam?

• 65

• 92

• 70

• 76

Which sentence describes the relationship shown on this scatter plot?

• As the average daily temperature decreases, the number of visitors at the beach increases.

• As the average daily temperature increases, the number of visitors at the beach increases.

• As the average daily temperature increases, the number of visitors at the beach decreases.

• There is no apparent relationship between the average daily temperature and the number of visitors at the beach.

Which scatter plot shows a linear relationship between x and y?

• Graph A

• Graph B

• Graph C

• Graph D

Based on the scatterplot, what is the best prediction of the resting heart rate, in beats per minute, of a person who exercises an average of 8 hours each week?

• 30 beats per minute

• 45 beats per minute

• 55 beats per minute

• 60 beats per minute

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 pages would be in a book with 19 chapters. 

• 150 pages

• 170 pages

• 190 pages

• 210 pages

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.

• Yes, because each x-value has only one y-value paired with it.

• No, because the x-value 11 has two y-values pair with it.

• No, because each x-value has only one y-value paired with it.

• Function
• Not a Function

Give the domain and range. Tell if it is a function.

• Not a Function

• Function

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

• A

• B

• C

• D

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above