Thinking with Mathematical Models Unit Test

About how many containers will be recycled if 125 people attend an event?

• 50

• 75

• 62

• 71

• 56

Tags

CCSS.HSN.Q.A.1

CCSS.HSS.MD.B.5

Explain how you used the graph to determine your answer for Question 1. Use words like x-axis and y-axis.

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Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

CCSS.HSA.REI.C.7

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

What event attendance will produce about 110 containers to be recycled?

• 200

• 205

• 210

• 220

• 225

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Explain how you used the graph to determine your answer for Question 3. Use words like x-axis and y-axis.

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Tags

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

CCSS.HSF.IF.B.4

A correlation coefficient for the variables of the Recycling Project would be closest to

• -1

• -0.5

• 0

• 0.5

• 1

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

Explain, in your own words, what a correlation coefficient represents.

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Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

CCSS.HSS.ID.C.9

Compare and contrast the correlation coefficients of -1, 0, and 1. Describe how the graph looks for each.

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Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

Use the points (200, 100) and (50, 25) to find the slope of the modeling line. Write the slope as a simplified fraction.

Tags

CCSS.8.EE.B.6

CCSS.8.F.B.4

What is the value of b for the modeling line?

y = mx + b

Tags

CCSS.8.F.B.4

CCSS.8.SP.A.3

Explain what the slope and the y-intercept tell you about the relationship between the number of containers to be recycled and the attendance at a school event.

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Tags

CCSS.HSS.ID.C.7