Test: Chapter 9 Regression

What is the correlation for the following Scatter Plot.

• Weak Positive

• No Correlation

• Strong Negative

• Strong Positive

Tags

CCSS.HSS.ID.B.5

What is the correlation for the following Scatter Plot.

• No Correlation

• Strong Negative

• Weak Negative

• Strong Positive

Tags

CCSS.HSS.ID.B.5

Given the following Scatter Plot, select the option that is most likely the r value.

Tags

CCSS.HSS.ID.C.8

Given the following Scatter Plot, select the option that is most likely the r value.

Tags

CCSS.HSS.ID.C.8

If r=0, there is a strong correlation.

• True

• False

Tags

CCSS.HSS.ID.B.5

A department store has several retail outlets across the state. Each store has a different number of employees, and consequently produces varying amounts of annual sales.

Which equation is the LINEAR regression equation for this situation?

• y = 20x

• y = 21x

• y = 21.4x - 10.1

• y = 21.4x - 11.3

A restaurant sells pizza for the prices in the data table.  Calculate the linear regression equation of the data.

• y = 1.5x + 12
• y = 12x + 1.5
• y = 0.67x - 8
• y = -8x + 0.67

Tags

CCSS.8.EE.C.8C

A person travels by car.  They record their miles driven in a data table.  Calculate the linear regression equation of this data.

• y = 61.93x - 1.79
• y = -1.79x + 61.93
• y = 0.016x + 0.03
• y = 0.03x + 0.016

Given this table, what is the exponential regression equation that best fits the data?

Tags

CCSS.HSF.LE.A.2

Given this table, what is the exponential regression equation that best fits the data?

Tags

CCSS.HSF.LE.A.2