Gr. 8 OPR Unit 6 Review
Authored by Fran Vincent
Mathematics
8th Grade
CCSS covered
Used 92+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The scatter plot shows the number of hits and home runs for 20 baseball players who had at least 10 hits last season. The table shows the values for 15 of those players.
The model, represented by y=0.15x - 1.5 , is graphed with a scatter plot.
Player A had 154 hits in 2015. How many home runs did he have?
11
16
3
26
Tags
CCSS.HSF.BF.A.2
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Data was gathered to see if there was an association with skateboard enjoyment and snowmobile enjoyment. There is no evidence of association. What could be the missing number? (Think proportions)
45 + 25 + 10 =80, so 80
25/10 = 2.5, so 2.5 x 45=112.5, so 113
10/25= 0.4, so .40 x 45 = 18, so 18
25-10=15, so 15
Tags
CCSS.8.SP.A.4
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Here is a scatter plot that compares points per game to free throw attempts per game for basketball players in a tournament. Which coordinate point best represents an outlier?
(3.1, 10)
(1.9, 19)
(1.8, 5.5)
(5.3, 29)
Tags
CCSS.8.SP.A.1
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The linear model for some butterfly data is given by the equation y=0.238x + 4.642. Which of the following best describes the slope of the model?
For every 1 mm the wingspan increases, the length of the butterfly increases 0.238 mm.
For every 1 mm the wingspan increases, the length of the butterfly increases 4.642 mm.
For every 1 mm the length of the butterfly increases, the wingspan increases 0.238 mm.
For every 1 mm the length of the butterfly increases, the wingspan increases 4.642 mm.
Tags
CCSS.HSF.LE.B.5
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Describe the relationship between the number of at bats and the number of hits using the data in the scatter plot.
As the number of hits decreases, the number of bats increase.
As the number of hits increase, the number of bats increases.
As the number of bats decrease, so do the number of hits.
As the number of bats increase, the number of hits increases.
Tags
CCSS.8.SP.A.1
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Here is a scatter plot that shows the years when some used cars were made and their prices in 2016, together with the graph of a linear model for the relationship between year and price.
Which of these values is closest to the slope of the linear model shown in the scatter plot?
1,000
3,000
-1,000
-3,000
Tags
CCSS.8.EE.B.5
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A scientist wants to know if the color of the water affects how much animals drink. The average amount of water each animal drinks was recorded in milliliters for a week and then graphed. Is there evidence to suggest an association between water color and animal?
Yes, the relative frequencies of the animals drinking each color of water are the same, so they must be associated.
No, the relative frequencies of the animals drinking each color of water are about the same, so there is no evidence of association.
No, the frequencies are hard to tell
Yes, the frequencies are easy to tell
Tags
CCSS.8.SP.A.4
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