Scatterplots Bivariate Data

Which scatter plot shows a linear relationship between x and y?

• Graph A

• Graph B

• Graph C

• Graph D

What type of correlation does this graph have?

• positive 

• negative

• none

• all of the above

What is the equation of the line of best fit?

• y = -25x + 170

• y = -5/8x + 170

• y = 25x + 170

• y = 5/8x + 170

How many sophomores like burritos and pizza?

• 6

• 5

• 11

• 50

What percentage of the days that it rained, did they forecast no rain?

• About 20%

• About 18%

• About 14%

• About 12%

Although we use the BLUE points to write an equation that represents the ORANGE data, are the BLUE points DATA FROM THE SET?

• Yes, they have to be.

• No, they can't be.

• Not necessarily. They could be, but don't have to be.

Which one of the following statements is true about the scatterplot shown?

• There is a non-linear association between the values of x and the values of y.

• There is no apparent association between the values of x and the values of y.

• There is a negative lenear association between the values of x and the values of y.

• There is a positive linear association between the values of x and the values of y.

Which one of the following statements is true about the scatterplot shown?

• There is a non-linear association between the values of x and the values of y.

• There is no apparent association between the values of x and the values of y.

• There is a negative linear association between the values of x and the values of y.

• There is a positive linear association between the values of x and the values of y.

Which one of the following statements is true about the scatterplot shown?

• There is a non-linear association between the values of x and the values of y. 

• There is no apparent association between the values of x and the values of y. 

• There is a negative linear association between the values of x and the values of y. 

• There is a positive association between the values of x and the values of y.

Which one of the following statements is true about the scatterplot?

• There is a non-linear association between the values of x and the values of y.

• There is no apparent association between the values of x and the values of y. 

• There is a negative linear association between the values of x and the values of y. 

• There is a positive association between the values of x and the values of y.