AA Unit 1 Linear Models Review

Estimate the value of r:

• -0.7
• 0.35
• 0.89

Tags

CCSS.HSS.ID.C.8

Estimate the value of r:

• 0.99
• 0.05
• -0.99

Estimate the value of r:

• 0.03
• -0.99
• 0.79
• -0.72

Tags

CCSS.HSS.ID.C.8

If the correlation coefficient of a table of data is 0.90, what is true about the line of best fit?

• There is a weak, positive relationship
• There is a strong, positive relationship
• There is a weak, negative relationship
• There is a strong, negative relationship

Tags

CCSS.HSS.ID.B.5

Using your calculator find the line of fit. 

• y = .25x + 8.25
• y = 8.25x + .25
• y = x + 1

Using your calculator, what is the correlation coefficient for the table?

• 1
• -1
• .25
• 8.25

Tags

CCSS.HSS.ID.C.8

The line of best fit is y = .25x + 8.25.  What is the slope with unit?

• .25 inches per widget
• .25 widgets per inch
• 8.25 widgets per inch
• 8.25 inches per widget

Tags

CCSS.HSF.LE.B.5

The line of best fit is y = .25x + 8.25.  What is the y intercept with units?

• 8.25 inches
• .25 inches
• 8.25 widgets
• .25 widgets

Tags

CCSS.HSF.LE.B.5

y = 13x +143 is the least squares regression line.  What is the slope with units? 

• 13 calories per gram of fat
• 13 grams of fat per calorie
• 143 calories per gram of fat
• 143 gram of fat per calorie

Tags

CCSS.HSF.LE.B.5

y = 13x +143 is the least squares regression line.  What is the y intercept with units. 

• 13 calories
• 143 calories
• 13 grams of fat
• 143 grams of fat

Tags

CCSS.HSF.LE.B.5