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Regression Quiz

Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

Which is a general rule for the function containing the values shown in the table?

mc001-1.jpg
-2
0.5
3
4
mc001-2.jpg
3
0.75
-8
-15
a.
mc001-3.jpg
b.
mc001-4.jpg
c.
mc001-5.jpg
d.
mc001-6.jpg
 

 2. 

Whammy cereal comes in several different size boxes.  The chart shows some sizes and the cost of each.

mc002-1.jpg
One box sells for $3.69.  To the nearest ounce, how many ounces does it contain?
a.
10
b.
11
c.
12
d.
13
 

 3. 


mc003-1.jpg    
Which equation most closely fits the data in this scatterplot?
a.
mc003-2.jpg
b.
mc003-3.jpg
c.
mc003-4.jpg
d.
mc003-5.jpg
 

 4. 

Larry made a scatterplot showing the apparent height of a football at one-second intervals during the time period the ball was in the air.

mc004-1.jpg

Which is most likely the equation for the curve of best fit for the relationship?
a.
mc004-2.jpg
b.
mc004-3.jpg
c.
mc004-4.jpg
d.
mc004-5.jpg
 

 5. 

The table below shows the value of a certain collectible baseball card over eight years. 

mc005-1.jpg

How much will the baseball card be worth after 10 years, to the nearest dollar? 
a.
$58
b.
$81
c.
$99
d.
$232
 

 6. 

The amount of lost revenue from tickets not solve for a concert is shown in the table.  The ticket prices include tax. 

     mc006-1.jpg
Which equation best modesl the relationship between y, the amount of lost revenue, and x, the price per ticket? 
a.
mc006-2.jpg
c.
mc006-4.jpg
b.
mc006-3.jpg
d.
mc006-5.jpg
 

 7. 

A city began recording its air pollution index in 1980.  The scatterplot shows the index related to various numbers of years since 1980.

mc007-1.jpg

If no steps are taken to control city air pollution, which is the best estimate for the pollution index in 2005?
a.
425
b.
475
c.
525
d.
600
 



 
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