Linear Correlations from Tables and Graphs

Write an equation from the graph using (p) for price and (w) for weight.

• p = 20w

• w = 20p

• p = 20p

• w = 20w

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which equation matches the table?

• y = x + 5

• y = 5x

• y = x - 5

• x = y - 5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

In this equation, what is the y-intercept?

^{y = 3x - 4}

• 3

• -4

• 4

• 3x

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Tags

CCSS.HSF-LE.A.1B

• r=.99

• r=.98

• r=20.7

• r=-35

Which correlation coefficient is most accurate for this data set?

• r = 0.03

• r = 0.92

• r = -0.92

• r = -0.03

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

Which phrase best describes the relationship between x and y?

• strong negative correlation

• strong positive correlation

• weak negative correlation

• weak positive correlation

Calculate the correlation coefficient for the data

• -1

• -.5

• .8

• 1

Which value below could be the correlation of the scatterplot?

• -0.923

• -0.478

• 0.006

• 0.777