document.write( "Question 135312: Hello, Can you help me with this one?\r
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document.write( "1. You are working with a piece of manufacturing machinery that fills pouches; the pouch weight is supposed to be 8.8 ounces after being filled; you have been asked to see if the mean weight is different from 8.8 ounces … at the 0.05 level of significance.
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document.write( "You have a sample of 14 filled pouches with the following weights:
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document.write( "12 , 6 , 11 , 12 , 5 , 0 , 2 , 7 , 8 , 7 , 6 , 3 , 12 , 12
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document.write( "Use the 5 step hypothesis testing procedure … to determine your conclusion. \n" );
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Algebra.Com's Answer #99149 by stanbon(75887) ![]() You can put this solution on YOUR website! the pouch weight is supposed to be 8.8 ounces after being filled; you have been asked to see if the mean weight is different from 8.8 ounces … at the 0.05 level of significance.\r \n" ); document.write( "\n" ); document.write( "You have a sample of 14 filled pouches with the following weights:\r \n" ); document.write( "\n" ); document.write( "12 , 6 , 11 , 12 , 5 , 0 , 2 , 7 , 8 , 7 , 6 , 3 , 12 , 12 \r \n" ); document.write( "\n" ); document.write( "-------------------------------------------------------- \n" ); document.write( "Ho: u=8.8 \n" ); document.write( "Ha: u is not 8.8 \n" ); document.write( "---------------------- \n" ); document.write( "Data: x-bar = 7.3571 ; s = 4.0308.. \n" ); document.write( "--------------------- \n" ); document.write( "Critical value for two-tail test with alpha=5%: z=+/- 1.96 \n" ); document.write( " \n" ); document.write( "-------------------- \n" ); document.write( "Test statistic: z(7.3571)=(7.3571-8.8) / [4.0308/sqrt(14)] =-1.3394 \n" ); document.write( "--------------------- \n" ); document.write( "Conclusion: Since test stat does not lie in rejection interval, Fail \n" ); document.write( "to reject Ho. The test provided statistical evidence that u is 8.8. \n" ); document.write( "======================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |