Correlation HW

What is the equation of the line of best fit?

• y= 6x + 2

• y = -2x +6

Tags

CCSS.8.EE.B.5

What is the equation of the line of best fit

• y= -2x + 10

• y= 10x+ 2

• y=2x+10

• y= 10

Tags

CCSS.8.EE.B.5

Match the following

• Non-linear Correlation

• 
• No Correlation

• 
• Positive, Linear Correlation

• 
• Negative, Linear Correlation

• 

Order the scatterplots from STRONGEST to WEAKEST correlation coefficients

• 
• 
• 
• 

Derrick thinks playing video games results in him doing more work. His roommate thinks otherwise

Calculate the correlation coefficient, r, of the data set. Round to THREE decimal places.

Mathematical Equivalence

ON

Order the correlation coefficients from STRONGEST linear relationship to WEAKEST

• 0.80

• -0.50

• 0.45

• -0.89

To convince his students to slow down, Coach Logan tracks the typing speed and the number of errors made from a few of his students.

Calculate the correlation coefficient, r, of the data set. Round to THREE decimal places.

Mathematical Equivalence

ON

Match each description with the best possible correlation.

• Positive Correlation

• Total time spent playing video games and the number of cars you own

• No Correlation

• The number of days absent from school and your final grade in a class

• Negative Correlation

• The temperature outside and ice cream sales

Calculate the correlation coefficient for this data set and round to 3 places after the decimal.

(1, 4), (5, 4), (6, 9), (7, 12)

Mathematical Equivalence

ON

Calculate the correlation coefficient for this data set and round to 3 places after the decimal.

(-1, 4), (-5, 4), (-6, 9), (-7, 12)

Mathematical Equivalence

ON