Data Science 4.02 Linear Regression Quiz Review

Which wombat do you most relate to at this moment?

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Based on the linear regression line, if a roller coaster's maximum height is 100 feet, which would be the best prediction for its top speed?

• 54 mph

• 120 mph

• 40 mph

• It cannot be determined

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

Based on the linear regression line, if a roller coaster's length is 4000 seconds, what would be the best prediction for its top speed?

• 40 mph

• 60 mph

• 100 mph

• It cannot be determined

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

Based on the linear regression line, if a roller coaster's max height is 300 feet, which would be the best prediction for its biggest drop?

• 100 feet

• 180 feet

• 260 feet

• It cannot be determined

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

CCSS.HSS.ID.C.8

Based on the linear regression line, if a roller coaster's length is 4000 seconds, which would be the best prediction for its top speed?

Speed = 0.01 * Length + 40

• 80 mph

• 100 mph

• 400 mph

• It cannot be determined

Tags

CCSS.HSA.SSE.A.1

CCSS.HSS.ID.C.7

Based on the linear regression line, if a roller coaster's max height is 300 feet, which would be the best prediction for its biggest drop?

Drop = Height + 3

• 3 feet

• 297 feet

• 303 feet

• 33 feet

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

If there is no relationship between two attributes, which of the following would be a reasonable correlation coefficient?

• 0.01

• 0.34

• -0.78

• 1.0

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

CCSS.HSS.ID.C.9

A correlation coefficient of 0.8 represents...

• A strong positive relationship

• A strong negative relationship

• A weak positive relationship

• A moderate positive relationship

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

How confident do you feel about this topic?

• Very confident

• Mostly confident

• Somewhat confident

• Not confident at all

Tags

CCSS.7.SP.A.1

CCSS.7.SP.A.2

CCSS.7.SP.B.4

CCSS.7.SP.C.5

CCSS.7.SP.C.6

CCSS.7.SP.C.7