Describing association between variables of bivariate data

Bivariate means " ______ variables", in other words there are ______ types of data

• two

• one

• three

• multiple

What type of association does this graph have?

• positive
• negative
• none
• all of the above

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

What is the type of association?

• Negative 
• no association
• positive 

About how many male math teachers were there in 2006?

• 15
• 30
• 35
• 45

If Gold's Gym paid $250 for each TV, how many did they buy?

• 35

• none

• 45

• 20

What is a line of best fit used for?

• To make predictions
• To make the graph look pretty
• To connect the points
• To make it look like you know what you are doing

Which of the following lines represents the line of best fit for the scatter plot?

• A
• B
• C
• D

Given that the slope is  -4 and the y intercept is -4 what is the equation of the line?

• y = 4x - 4
• y = -4x - 4
• y = -4
• y = -4x + 4

Identify the slope and y intercept in the equation of the line: y = -1/3x + 1

• Slope: 1/3
  y-intercept: 1
• Slope: 1/3
  y-intercept: -1
• Slope: -1/3
  y-intercept: 1
• Slope: -1/3
  y-intercept: 0