8.SP.1-3: Scatter Plot & Trend Line Quiz

These points have been graphed on a scatter plot: (2, 3), (4, 5), (6, 6), and (8, 9). Which of the following points would be considered an outlier if it was also graphed on the scatter plot?

• A. (3, 4)

• B. (4, 6)

• C. (5, 1)

• D. (10, 11)

Tags

CCSS.8.SP.A.1

Ashley created a scatter plot to represent the distance she ran for different lengths of time. On one of her runs, Ashley took longer to run than what is normally predicted by her line of best fit. Of all her runs where she was slower than predicted, this run had the greatest difference between her actual run time and her predicted run time. Which point represents this run?

• A. A

• B. B

• C. C

• D. D

Tags

CCSS.8.SP.A.1

The scatter plot represents the number of cookies and brownies ordered on different days at a bakery. Which statement BEST describes the relationship between the number of cookies and brownies ordered?

• There is a positive association between the number of cookies ordered and the number of brownies ordered.

• There is no association between the number of cookies ordered and the number of brownies ordered.

• There is a nonlinear association between the number of cookies ordered and the number of brownies ordered.

• There is a negative association between the number of cookies ordered and the number of brownies ordered.

Tags

CCSS.HSS.ID.B.5

Which of the following scatter plots shows linear association?

• A

• B

• C

• D

Tags

CCSS.HSS.ID.B.5

A scatterplot with a linear model is shown. Which best describes the linear model?

• The linear model does not describe the data well because there are not the same amount of points above the line as below the line.

• The linear model describes the data well because the points are scattered above and below the line.

• The linear model does not describe the data well because it does not go through any of the points.

• The linear model describes the data well because some of the points are close to the line.

Tags

CCSS.8.SP.A.2

A scatterplot is shown. Which equation best models the data in the scatterplot?

• y = x + 50

• y = x + 60

• y = 5x + 50

• y = 5x + 60

A scatterplot is shown. Which choice represents a line that best fits the data?

• y = x + 1

• y = x + 3

• y = 2x + 1

• y = 2x + 3

Tags

CCSS.8.SP.A.2

This shows a scatterplot. Which equation best fits the data on the scatterplot?

• y = -2x + 9

• y = 2x + 9

• y = -1/2x + 9

• y = 1/2x - 9

A scatterplot is shown. Which equation best models the data represented in the scatterplot?

• y = -5x + 300

• y = -3x + 300

• y = -5x + 275

• y = -3x + 275

Over her summer break, Kim had to read a total of fifteen books before school started again in the fall. She tracked her progress weekly and made the following graph. According to the graph, about how many books did Kim read each week?

• 2 3/4

• 1 1/2

• 2 1/2

• 15

Tags

CCSS.5.NBT.B.6

CCSS.6.NS.B.2