Scatterplots, Linear Regression, and Residuals

What kind of correlation does this scatterplot show?

• negative correlation
• no correlation
• positive correlation

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

What type of correlation does this scatterplot represent?

• positive correlation
• no correlation
• negative correlation

Tags

CCSS.HSF-LE.A.1B

What type of correlation does this scatterplot represent?

• positive correlation
• no correlation
• negative correlation

Tags

CCSS.HSF-LE.A.1B

Which best describes the scatterplot?

• linear; positive correlation

• linear; negative correlation

• non-linear; negative correlation

• non-linear; positive correlation

Tags

CCSS.8.F.A.3

Which best describes the scatterplot?

• linear, positive correlation

• linear, negative correlation

• no correlation

• non-linear, positive correlation

Tags

CCSS.HSF-LE.A.1B

Describe the scatterplot (context, direction, form, outliers, strength).

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.A.3

Describe the scatterplot (context, direction, form, outliers, strength).

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.A.3

What is the correlation coefficient and linear regression of the data set: (1,7) (2,4) (3,-1) (8,-9) (6,-3) (-1,10)

*Remember: x=explanatory variable and y= response variable

• r = .98

• r = .95

• r = .97

• y = -2.1x + 7.9

• y = 7.9x - 2.1

Tags

CCSS.HSS.ID.C.7

CCSS.HSS.ID.C.8

The amount of sleep a swimmer gets the night before a swim and how long it takes the swimmer to complete a 200-meter swim; which is the explanatory variable?

• Amount of Sleep

• Time to complete a 200 meter swim

Tags

CCSS.HSF-LE.A.1B

A student’s GPA and the average amount of time they spend studying per week; which is the response variable?

• Student's GPA

• Average amount of time spent studying

Tags

CCSS.HSF-LE.A.1B