Scatter Plot & Two-Way Tables Review

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

• As x increases, y decreases

• As x increases, y increases

• As x decreases, y decreases

About how many male math teachers were there in 2006?

• 15

• 30

• 35

• 45

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

• A

• B

• C

• D

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.

How many students were surveyed in the "Biking to School" two-way table?

• 16

• 14

• 11

• 30

How many girls cannot bike to school?

• 14

• 10

• 19

• 9

Out of all the people who like chocolate, what is the relative frequency for selecting a teen?

• 0.11

• 0.27

• 0.16

• 0.06

John plotted points on a graph to see if there was a relationship. Then he drew a line of best fit based on the fact that his line went through the most points possible.

Decide whether which statements are False.

• John's line of best fit is correct.

• John's line of best fit should be higher to be closer to all of the points.

• John's line of best fit should be lower so that it will go through more points.

The two–way frequency table below shows the number of customers who bought fruit that was either fresh or frozen at the grocery store. Select ALL that apply.

• Customers who bought oranges tended to pick fresh oranges.

• Customers who bought apples tended to pick frozen apples.

• Customers who bought fruit tended to pick frozen fruits.

• Customers who bought strawberries tended to pick fresh strawberries.

What percentage of SUV's are driven by women?

• 56.25%

• 75%

• 83.25%

• 86.5%