Statistics Graphs

What percentage of fans chose
Robin or Batgirl?

• 13% & 11%

• 12% & 15%

• 14% & 15%

• 15% & 15%

How many students received a score in the 80's?

• 2

• 10

• 14

• 27

How many students take the bus to school?

• 35

• 20

• 10

• 15

What is the range of the data?

• 4

• 8

• 6

• 2

Which fitness club has the greater range?

• Fun Fit

• Greg's Gym

• Neither

What is the maximum value?

• 58

• 66

• 64

• 60

What type of correlation does this scatter plot show?

• positive linear association

• negative linear association

• no association

• nonlinear association

You are analyzing a scatter plot that has a negative correlation. What is true of the of the x and y values?

• As x increases, y decreases

• As x increases, y increases

• As x decreases, y decreases

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

If a scatterplot has no correlation then...

• ...it has no ordered pairs

• ...it has ordered pairs that have a negative pattern

• ...its ordered pairs have no predictable pattern

• ...if it makes a lion on a graph (roar!)