Scatter Plot and Lines

Scatter plot are graphs that use points to display​ (a)   data.

• numerical
• bivariate
• association
• categorical

Match each scatter plot to its description.

• Positive Correlation

• 
• No Correlation

• 
• Negative Correlation

• 

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

What are the coordinates of the outlier?

• (1,9)

• (9,1)

• (2,2)

• y=x

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

• A
• B
• C
• D

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

• A
• B
• C
• D

Graph the following points:

(1,8)

(-2,2)

(0,5)

(2,5)

(-1, 7)

(-1,6)

(-2,-5)

(1,0)

(-2,-2)

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 12 absences should get approximately what score on the final exam?

• 60

• 92

• 70

• 76

What is the equation of the line of best fit?

• y= 2x+3

• y=3x+2

What is the equation of the line of best fit

• y= -2x + 10

• y= 10x+ 2

• y= 10