Scatter Plots Frequency Tables

Which best describes the form of this scatterplot?

• linear

• nonlinear

• scattered

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!)

What is the slope of the graph?

• -2

• 2

• 1/2

• -1/2

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase.

• As the temperature increases, the number of visitors increases.

• As the visitors increase, the temperature decreases.

• No association.

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

• A

• B

• C

• There is no line of best fit for this graph because there is no trend.

Find the slope for the trend line using points (2,2) and (4,3)

• 2

• 1/2

• -2

• -1/2

The graph above shows a line of best fit for data collected on the amount earned by waiters and waitresses last week in relation to the number of tables they served.  What is the equation of the line of best fit?

• y = (5/3) x + 375

• y = (1/3) x + 475

• y = (5/3) x + 475

• y = (1/3) x + 375

Which scatter plot shows no relationship?

• Graph A

• Graph B

• Graph C

• Graph D

The equation of the trend line
is  y= 1/2x +1. Use the equation to determine the amount of time it would take to bike 20 laps. 
*Look at the x and y axis first before starting the problem
   

• 38 minutes

• 11 minutes

• 41 minutes

• 10 minutes

What is the relative frequency of students who chose basketball?

• 58%

• 63%

• 25%

• 40%