document.write( "Question 141967: A sample of 25 concession stand purchases at the October 22 matinee of Bride of Chucky showed
\n" ); document.write( "a mean purchase of $5.29 with a standard deviation of $3.02. For the October 26 evening showing
\n" ); document.write( "of the same movie, for a sample of 25 purchases the mean was $5.12 with a standard deviation of
\n" ); document.write( "$2.14. The means appear to be very close, but not the variances. At α = .05, is there a difference
\n" ); document.write( "in variances? Show all steps clearly, including an illustration of the decision rule. (Data are from
\n" ); document.write( "a project by statistics students Kim Dyer, Amy Pease, and Lyndsey Smith.)
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #103384 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Previously answered.
\n" ); document.write( "Go to www.algebra.com
\n" ); document.write( "Use the search bar to find 135744
\n" ); document.write( "--------------------------------
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" );