Module 8/9 REVIEW - Scatterplots, Two-Way Tables, & Matrices

Select all the terms that describe this scatter plot.

• Positive

• Negative

• No Association

• Linear

• Non-Linear

Tags

CCSS.8.F.A.3

Which equation is the best approximation of the equation for the line of best fit (trend line) of the data?

Tags

CCSS.8.EE.B.5

If four new data points were added to the graph, which point would be an outlier?

• (15, 21)

• (3, 20)

• (22, 25)

• (7, 16.5)

• none of the above.

Tags

CCSS.8.SP.A.1

Scott created a scatter plot of the relationship between the number of students at a football game, x, and the amount of money raised selling snacks, y. The equation for his trend line was y = 5.2x - 20.

If 150 students showed up $​ (a)   would be made selling snacks.

• 760
• 780
• 800

Tags

CCSS.HSF.LE.B.5

Which trend line BEST fits the data graphed on the scatter plot?

• 
• 
• 
• 

Tags

CCSS.8.SP.A.2

Becky creates a scatter plot of the relationship between her hourly pay, y, and the number of coupon books she sells, x. The trend line equation is y = 2.5x + 5.

The y-intercept represents that Becky earns $​ (a)   per hour when she sells ​ (b)   coupon books.

• 5
• 0
• 2.50
• 1
• 10

Tags

CCSS.HSF.LE.B.5

Becky creates a scatter plot of the relationship between her hourly pay, y, and the number of coupon books she sells, x. The trend line equation is y = 2.5x + 5.

According to the trend line, on average Becky will earn $ (a)   for each additional coupon book she sells.

• 2.50
• 1
• 10

Which statment BEST can be answered by the two-way table shown?

• The number of adults who eat at McDonalds.

• The number of people who eat at Taco Bell at night.

• The number of women who prefer Wendy's.

• The percent of people who like cheeseburgers.

Tags

CCSS.8.SP.A.4

Complete the two-way table by matching the letter with the number that belongs there.

• a

• 52

• b

• 50

• e

• 36

• d

• 48

• c

• 38

Tags

CCSS.8.SP.A.4

What percentage of people surveyed are runners and prefer sports drinks? Round to the nearest whole number!

Mathematical Equivalence

ON

Tags

CCSS.8.SP.A.4