SOLUTION: my daughter keeps bringing this problem to me A study was done over a five year period to determine if the average ticket price of a movie had any affect on the number of ticket

Question 559658: my daughter keeps bringing this problem to me
A study was done over a five year period to determine if the average ticket price of a movie had any affect on the number of ticket sales.
average # of sales in billions
ticket $
2.75$ 1.4
3.25$ 1.2
3.50$ 1.8
4.75$ 1.7
6.25$ 1.9
6.75$ 2.0
Use the equation for the line of best-fit to predict the number of sales if the price is increased to 7.50$.
A. 1.9 BILLION
B. 2.08 BILLION
C. 2.1 BILLION
D. 2.3 BILLION
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
A study was done over a five year period to determine if the average ticket price of a movie had any affect on the number of ticket sales.
average # of sales in billions
ticket $
2.75$ 1.4
3.25$ 1.2
3.50$ 1.8
4.75$ 1.7
6.25$ 1.9
6.75$ 2.0
Use the equation for the line of best-fit to predict the number of sales if the price is increased to 7.50$.
A. 1.9 BILLION
B. 2.08 BILLION
C. 2.1 BILLION
D. 2.3 BILLION
----
I ran a Linear Regression program on my TI-84 calculator
to get y = 0.15x + 0.96
----------
f(7.50) = 2.11
===================
Cheers,
Stan H.
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