Try the following questions:
1. 
The correlation seen in the graph at
the right would be best described as: 

Choose:


2. 
You are asked to write an equation
for the line of best fit for the scatter plot shown
at the right without the use of a graphing
calculator. What should you do first? 

Choose:


3. 
True or False:
When data is graphed and a positive
correlation is observed, the first set of data is
always causing the affect seen in the second set of data. 

Choose:


4. 
The scatter plot at the right shows
the number of chapters in a book in relation to the
number of typos found in the book. If you
predict the number of typos that would occur in a
book containing 12 chapters, you would be: 

Choose:


5. 
When making a scatter plot, you
should never: 

Choose:


6. 
If you were asked to interpolate
information from this graph, you would have to be
careful to limit the number of chapters to: 

Choose:


7. 
Another term for line of best fit is


Choose:


8. 
Prepare a
scatter plot for the following data. Determine from
your graph whether there is a correlation between the
number of hours spent in the mall and the number of
dollars spent.
Hours
in Mall 
10 
8 
9 
3 
1 
2 
5 
6 
7 
8 
2 
3 
Dollars
spent 
40 
15 
24 
20 
10 
35 
50 
70 
18 
25 
100 
60 
Answer



9. 
The following chart shows the prices of gasoline and
milk at a local convenience store for a period of three
weeks.
Exam this data for correlations between the price of
gasoline and the price of milk. Comment on what a
correlation between this data is saying.
Week: 
Gasoline 
Milk 
1st week 
$2.89 
$2.35 
2nd week 
$2.95 
$2.40 
3rd week 
$3.04 
$2.43 
Answer



10. 
Which situation describes a situation
that is not a causal relationship? 

Choose: 

11. 
For 10 days, Romero
kept a record of the number of hours he spent
listening to music. The information is shown in the
table below.
Day 
1 
2 
3 
4 
5 
6 
7 
8 
9 
10 
Hours

9 
3 
2 
6 
8 
6 
10 
4 
5 
2 
Which
scatter plot shows Romero’s data graphically? 

Choose:


