Line of Best Fit Review

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

About how many male math teachers were there in 2006?

• 15
• 30
• 35
• 45

Tags

CCSS.HSS.ID.A.1

CCSS.HSS.ID.B.6

What type of association does this graph show?

• Positive
• negative
• none
• all of the above

Tags

CCSS.HSS.ID.B.6

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase. 
• As the temperature increases, the number of visitors increases. 
• As the visitors increase, the temperature decreases. 
• No correlation

Tags

CCSS.HSF-LE.A.1B

If the line of best fit is given, y = 31.45x - 242.3, where x represents hours and y represents income...

Determine the predicted income if 22 hours were worked on an assembly job.

• $207.30

• $449.60

• $691.90

• $543.30

Tags

CCSS.HSA.REI.B.3

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

What does the value, r= -0.89, tell us about the linear relationship of two quantitative variables?

• Strong positive

• Weak positive

• Strong negative

• Weak negative

Tags

CCSS.HSS.ID.C.8

Determine the correlation coefficient of the given data:

• .9820

• -.9643

• 1.409

• .6864

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

Is this line an accurate line estimate of best fit for the data?

• Yes

• No

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

CCSS.HSS.ID.C.8

What type of Correlation?

• Positive Correlation

• Negative Correlation

• No Correlation

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

CCSS.HSS.ID.C.9

What type of Correlation?

• Positive Correlation

• Negative Correlation

• No Correlation

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8