Unit Test — Unit test Answers

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16

Which graph shows data whose r-value is most likely closest to 0?

A
A graph shows both axes unnumbered. Points show a downward trend.
Option A
B
A graph shows both axes unnumbered. Points show an upward trend.
Option B
C
A graph shows both axes unnumbered. Points show a downward trend.
Option C
D
A graph shows both axes unnumbered. Points are scattered all over the graph.
Option D
17

A 2-column table with 4 rows. The first column is labeled x with entries 0, 5, 10, 15. The second column is labeled y with entries 15, 10, 5, 0.

Question illustration
A
1
B
-1
C
5
D
10
18

Kevin went fishing and is using a scatterplot to analyze the relationship between the weight of each of the fish he caught in pounds and in kilograms. He uses the weight in pounds as the independent variable and the weight in kilograms as the dependent variable. Which statement is correct?

A
The points on the scatterplot will go up from left to right because as the weight in pounds increases, the weight in kilograms increases.
B
The points on the scatterplot will go up from left to right because as the weight in pounds increases, the weight in kilograms decreases.
C
The points on the scatterplot will go down from left to right because as the weight in pounds increases, the weight in kilograms increases.
D
The points on the scatterplot will go down from left to right because as the weight in pounds increases, the weight in kilograms decreases.
19

The following scatter plot shows the billions of dollars spent by travelers in the United States since 1993. Write an equation for the line of best fit and then predict how much money travelers will spend in 2008. a. ; travelers will spend about $410 billion in the year 2008. b. ; travelers will spend about $350 billion in the year 2008. c. ; travelers will spend about $620 billion in the year 2008. d. ; travelers will spend about $680 billion in the year 2008. Please select the best answer from the choices provided

Question illustration
A
A
B
B
C
C
D
D
20

Which table of values was used to create the scatterplot below?

Question illustration
A
A 2-column table with 5 rows. Column 1 is labeled Day of Fund Drive with entries 1, 2, 3, 4, 5. Column 2 is labeled Money raised (dollars) with entries 200, 300, 400, 200, 300.
Option A
B
A 2-column table with 5 rows. Column 1 is labeled Day of Fund Drive with entries 1, 2, 3, 4, 5. Column 2 is labeled Money raised (dollars) with entries 200, 300, 200, 300, 400.
Option B
C
A 2-column table with 5 rows. Column 1 is labeled Day of Fund Drive with entries 1, 2, 3, 4, 5. Column 2 is labeled Money raised (dollars) with entries 200, 300, 200, 400, 300.
Option C
D
A 2-column table with 5 rows. Column 1 is labeled Day of Fund Drive with entries 1, 2, 3, 4, 5. Column 2 is labeled Money raised (dollars) with entries 200, 200, 300, 400, 300.
Option D

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