Scatter Plots, Correlations, and Line of Best fit

What type of correlation does this graph have?

• positive 
• negative
• none
• all of the above

Tags

CCSS.HSF-LE.A.1B

What type of correlation does this graph have?

• positive
• negative
• none
• all of the above

Tags

CCSS.HSF-LE.A.1B

What type of correlation does this scatter plot show?

• positive linear association
• negative linear association
• no association
• nonlinear association

Tags

CCSS.HSF-LE.A.1B

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.HSF.BF.A.2

About how many male math teachers were there in 2006?

• 15
• 30
• 35
• 45

Tags

CCSS.HSF.IF.B.4

In a scatterplot, an outlier...

• ...is something we didn't learn 8th grade
• ...is a puppet with a long nose named Pinocchio
• ...is a point that is far outside the main cluster of points/ordered pairs
• ...is a really naughty point who doesn't tell the truth when outside

Tags

CCSS.8.SP.A.1

The relationship of birthdays to candles

• Positive correlation
• Negative correlation
• No correlation
• all of the above

Tags

CCSS.HSS.ID.B.5

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

Which of the following could be a possible line of best fit for the data?

• y = -5/2x + 20
• y = -x + 19
• y = x + 20
• y = 2/3x + 15 

Which of the following lines represents the line of best fit for the scatter plot?

• A
• B
• C
• D

Tags

CCSS.8.EE.B.5