document.write( "Question 319794: What is the formula for finding the test value? \n" ); document.write( "
Algebra.Com's Answer #229037 by stanbon(75887) ![]() You can put this solution on YOUR website! The association claims the average price of a home in their subdivision is $125,150 with a standard deviation of $7350. \n" ); document.write( "--------- \n" ); document.write( "A sample of 36 homes for sale in this subdivision had an average selling price of $123550. At a = 0.05, what is the test value? \n" ); document.write( "------- \n" ); document.write( "x-bar = 123550 \n" ); document.write( "---- \n" ); document.write( "The test value, or test statistic is: \n" ); document.write( "t(x-bar) = (123550-125150)/[7350/sqrt(36)] = -1.3061 \n" ); document.write( "====================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |