Ch. 10 Stat review

What kind of correlation?

• Positive
• Negative
• No

Tags

CCSS.HSS.ID.B.5

What kind of correlation?

• Positive
• Negative
• No

Tags

CCSS.HSS.ID.B.5

Describe the relationship between the variables.

• A) Weak positive correlation

• B) Weak negative correlation

• C) Strong positive correlation

• D) Strong negative correlation

Tags

CCSS.HSS.ID.B.5

r=0.3

• Strong positive 
• Weak positive
• Strong negative
• Weak negative 

Tags

CCSS.HSS.ID.B.5

Determine the Correlation Coefficient and decide whether it is weak, moderate, or strong.

• 0.07 weak
• -0.26 weak
• -0.26 moderate
• 0.07 strong

Tags

CCSS.HSS.ID.C.8

Which graph represents data that has a correlation coefficient close to -1?

• 
• 
• 
• 

Tags

CCSS.HSS.ID.C.8

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

The linear regression equation is y = 61.93x - 1.79.  Use the equation to predict how far this person will travel after 10 hours of driving.

• 10 miles
• 617.5 miles
• 0.19 miles
• 500 miles

If Joe worked 30 hours, how much is he expected to earn?

• $600
• $200
• $1000
• $800

You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?

• As x increases, y decreases
• As x increases, y increases
• As x decreases, y decreases

Tags

CCSS.HSF-LE.A.1B