Assessing Linear Models for Good Fit

A good line of fit will...

• closely follow the pattern of the data.

• go through ALL the data points.

• go through the first and last data point.

• go through (0,0).

Tags

CCSS.8.EE.B.5

What is an outlier?

• A point far away from the other data points.

• Any point NOT on a good line of fit.

• Any point on a good line of fit.

• The y-intercept.

Which of the following is true about a good line of fit?

• There can be MORE THAN ONE good line of fit.

• It will model the type of linear association.

• It can have a positive or negative slope.

• It will NOT go through any outliers.

Tags

CCSS.8.EE.B.5

Which point represents an outlier?

• There are no outliers.

Tags

CCSS.8.SP.A.1

The association shown suggests that the older the child, the ​ (a)   it takes for them to complete the test.

• less time
• more time
• same time

Tags

CCSS.HSF.IF.B.4

Is line a a good line of fit for the data?

• Yes, line a goes through two data points.

• Yes, line a goes through the outlier.

• No, line a does not model the positive association.

• No, line a is the wrong color.

Which line is a good line of fit?

• Line b

• Line a

• Neither

• Both

Tags

CCSS.8.EE.B.5

• NOT an outlier
• NOT far away
• an outlier
• far away

Identify the BEST line of fit.

• Line a

• Line b

• Line c

• Line d

Tags

CCSS.8.EE.B.5

Match the following.

• Nonlinear Association

• 
• No Association

• 
• Negative Linear Association

• 
• Positive Linear Association

• 

Tags

CCSS.HSF-LE.A.1B