document.write( "Question 260849: Find the p-value:\r
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document.write( "Comparison of average commute miles for randomly chosen students at two community colleges:
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document.write( "¯ x1 = 15, s1 = 5, n1 = 22, ¯ x2 = 18, s2 = 7, n2 = 19, α = .05, two-tailed test.
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Algebra.Com's Answer #192278 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find the p-value: \n" ); document.write( "Comparison of average commute miles for randomly chosen students at two community colleges: \n" ); document.write( "- x1 = 15, s1 = 5, n1 = 22, \n" ); document.write( "¯ x2 = 18, s2 = 7, n2 = 19, \n" ); document.write( "α = .05, two-tailed test. \n" ); document.write( "-------------------------------- \n" ); document.write( "p-value = 2*P(t< - 1.5564 with df = 22+19-2 = 39) = 2*0.0638.. = 0.1276.. \n" ); document.write( "========================================================= \n" ); document.write( "The TI-84 says the p-value is 0.12944.... \n" ); document.write( "because it uses df = 32.0275... \n" ); document.write( "========================================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |