Interpolation and extrapolation

A positive correlation between two variables means...

• that as one variable increases, the other variable also increases

• that as one variable increases, the other variable decreases

• that as one variable decreases, the other variable increases

• the two variables are happy

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

What is a correlation coefficient?

• Number between 0 and 1 that describes the strength of a relationship

• Number between -1 and 1 that describes the strength of a relationship

• The type of relationship; positive, negative or none.

• The category of confusion with trend lines

Tags

CCSS.HSS.ID.C.8

CCSS.HSS.ID.C.9

When using a regression line to predict a value inside the given range of explanatory values on a graph it is called....

• trend line

• interpolation

• extrapolation

• causation

What is the approximate maximum heart rate of an 80 year old person?

• 40 beats per minute

• 45 beats per minute

• 50 beats per minute

• 80 beats per minute

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

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

Tags

CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

What is the name of the regression line we use?

• Linear Strength Regression Line

• Least Squares Regression Line

• Least Strength Regression Line

• Linear Squares Regression Line

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

Which of the following variables would be qualitative data?

• Gender

• Age

• Blood pressure

• Resting heart rate

Tags

CCSS.HSS.ID.B.5

A student used the graph to determine that the volume of a sample should be 300 mL when the mass is 300 g. Was this point determined by extrapolation or interpolation?

• extrapolation

• interpolation

Tags

CCSS.HSS.ID.A.1

CCSS.HSS.ID.A.3

CCSS.HSS.ID.B.6

When using a regression line to predict a value outside the given range of explanatory values on a graph it is called....

• trend line

• interpolation

• extrapolation

• causation

Tags

CCSS.HSS.ID.B.6

A student used the graph below to determine that the maximum heart rate of a person should be 45 beats per minute when a person is 80 years old. Was this point determined by extrapolation or interpolation?

• extrapolation

• interpolation