Linear Correlation

Which of the following best describes the correlation shown on the graph?

• negative correlation

• positive correlation

• no correlation

Which of the following best describes the correlation shown on the graph?

• negative correlation

• positive correlation

• no correlation

Which of the following best describes the correlation shown on the graph?

• negative correlation

• positive correlation

• no correlation

Which of the following best describes the correlation shown on the graph?

• negative correlation

• positive correlation

• no correlation

What is the correlation coefficient of the given table?

• r = 1

• r = -1

• r= .16

• r = .89

The table shown is comparing a person's foot length to their height in cm. What is the relationship between foot length and height?

• strong; r = .99

• strong; r = .97

• weak; r = .38

• weak; r = .58

Find the correlation coefficient (3 sig fgis)

Which value below could be the correlation of the scatterplot?

• -0.923

• -0.478

• 0.006

• 0.777

Which value of r represents data with a strong negative linear correlation between two variables?

• -0.86

• -0.50

• 0.89

• 0.07

A restaurant sells pizza for the prices in the data table. using your calculator, find the linear regression equation of the data.

• y = 1.5x + 12

• y = 12x + 1.5

• y = 0.67x - 8

• y = -8x + 0.67