document.write( "Question 559658: my daughter keeps bringing this problem to me\r
\n" ); document.write( "\n" ); document.write( "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.\r
\n" ); document.write( "\n" ); document.write( "average # of sales in billions
\n" ); document.write( "ticket $
\n" ); document.write( " 2.75$ 1.4
\n" ); document.write( " 3.25$ 1.2
\n" ); document.write( " 3.50$ 1.8
\n" ); document.write( " 4.75$ 1.7
\n" ); document.write( " 6.25$ 1.9
\n" ); document.write( " 6.75$ 2.0\r
\n" ); document.write( "\n" ); document.write( "Use the equation for the line of best-fit to predict the number of sales if the price is increased to 7.50$.\r
\n" ); document.write( "\n" ); document.write( "A. 1.9 BILLION
\n" ); document.write( "B. 2.08 BILLION
\n" ); document.write( "C. 2.1 BILLION
\n" ); document.write( "D. 2.3 BILLION
\n" ); document.write( "

Algebra.Com's Answer #363487 by stanbon(75887)\"\" \"About 
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.
\n" ); document.write( "average # of sales in billions
\n" ); document.write( "ticket $
\n" ); document.write( "2.75$ 1.4
\n" ); document.write( "3.25$ 1.2
\n" ); document.write( "3.50$ 1.8
\n" ); document.write( "4.75$ 1.7
\n" ); document.write( "6.25$ 1.9
\n" ); document.write( "6.75$ 2.0
\n" ); document.write( "Use the equation for the line of best-fit to predict the number of sales if the price is increased to 7.50$.
\n" ); document.write( "A. 1.9 BILLION
\n" ); document.write( "B. 2.08 BILLION
\n" ); document.write( "C. 2.1 BILLION
\n" ); document.write( "D. 2.3 BILLION
\n" ); document.write( "----
\n" ); document.write( "I ran a Linear Regression program on my TI-84 calculator
\n" ); document.write( "to get y = 0.15x + 0.96
\n" ); document.write( "----------
\n" ); document.write( "f(7.50) = 2.11
\n" ); document.write( "===================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );