Bivariate Data
Authored by Anthony Clark
Mathematics
8th Grade
CCSS covered
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18 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the equation of the trend line?
Tags
CCSS.8.EE.B.5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A city manager made a scatter plot of the number of retail stores in the city over the years. A scatter plot had a trend line with an equation of y=11x+12, where y is the total number of retail stores and x is the number of years since 1990.
Use the equation to predict the number of retail stores in the city in 1997. (7 years later).
89
77
7
98
Tags
CCSS.HSF.BF.A.2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Several schools reported the number of students who received a flu vaccine in a year and the number of cases of the flu amongst their students that year. A scatter plot was made with a trend line that had an equation of y=-\frac{1}{4}x+85. Use the equation to predict the number of cases of the flu that would occur if 300 students received he flu vaccine.
75
160
300
10
Tags
CCSS.HSF.LE.B.5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A scatter plot was created to show the length of a person's vacation and the weight of the suitcase they packed. The equation of the trend line is y=5x+15, where x represents the length of the trip.
Use the equation to predict the weight of a suitcase for someone taking a 9-day trip.
45
60
15
55
Tags
CCSS.HSF.BF.A.2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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 chapters would be in a book with 180 pages.
12 chapters
15 chapters
18 chapters
21 chapters
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The equation of the trend line
is y= 1/2x +1. What does the x variable represent?
The number of laps
The amount of time in hours
The amount of time in minutes
How long it takes to go 0 laps
Tags
CCSS.HSF.LE.B.5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the debate team plans to practice for 6 hours, how many debates should they win?
20
16
24
28
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