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



For the following questions, suppose this table shows the total number of
points scored and yards gained by the football team of each given university on a Saturday in
October.
School  Points Scored x  Yards Gained
y  Virginia Tech  47  468  Univ. of Virginia  27  377  Wake Forest  24  392  Maryland  37  407  Duke  7  275    


1.

Which is an equation for the line of best fit? Round your numbers to the nearest
tenth. Use your graphing calculator.


2.

How many points would you expect a team to have scored if they gained 500 yards?
Round you answer to the nearest whole number.


3.

How many yards would you expect a team to have gained if they scored 14 points?
Round your answer to the nearest whole number.


4.

Which appears to be an equation for the bestfit line for the data shown in this
graph?



For the following questions, use this table giving the number of stories
and number of rooms in five hotels in Virginia. The equation of the bestfit line relating this data
is y = 33.6x – 29.4.
Stories x  19  15  7  3  2  Rooms y  685  395  153  95  72       


5.

Using the equation for the bestfit line, how many rooms would you expect to
find in a hotel of 10 stories? Round your answer to the nearest whole number.


6.

How many stories would you expect a hotel to have if it has 130 rooms? Round
your answer to the nearest whole number.



For the following questions, use this table which gives the grade point
average and number of hours spent doing homework per week for 6 high schools
students.
Hours per week doing homework x  18  16  15  12  7  8  GPA y  4.0  3.8  3.4  3.0  2.3  2.1        


7.

What is an equation for the line of best fit for this data? Round your numbers
to two decimal places. Use your graphing calculator.


8.

If a student spends 10 hours per week doing homework, what GPA would he or she
be expected to have? Round your answer to two decimal places.
a.  2.62  b.  2.86  c.  3.20  d.  17.92 


9.

If a student has a GPA of 1.60, how many hours per week would you expect him or
her to spend doing homework? Round your answer to the nearest whole number.
