document.write( "Question 422784: A company manager wishes to test a union leader’s claim that absences on different week days with the same frequency. To test her claim at the 0.05 significance level she collected the following sample data.\r
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document.write( "Day Monday Tuesday Wednesday Thursday Friday
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document.write( "Absences 37 15 12 23 43
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document.write( " Does the data support her claim?
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Algebra.Com's Answer #295052 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A company manager wishes to test a union leader’s claim that absences on different week days with the same frequency. To test her claim at the 0.05 significance level she collected the following sample data.\r \n" ); document.write( "\n" ); document.write( "Day Monday Tuesday Wednesday Thursday Friday \n" ); document.write( "Absences 37 15 12 23 43 \n" ); document.write( "------------------------------------------------------------------------ \n" ); document.write( "Does the data support her claim? \n" ); document.write( "====================================== \n" ); document.write( "Expected value for each day is (1/5)(130) = 26 \n" ); document.write( "--- \n" ); document.write( "Ho: The proportions are all equal \n" ); document.write( "Ha: The proportions are not all equal \n" ); document.write( "I ran a Chi-Sq Goodness of Fit program on the data \n" ); document.write( "and got the following: \n" ); document.write( "test stat: Chi-Sq = 102.32.. \n" ); document.write( "p-value = 3.1526..x10^-21 \n" ); document.write( "---- \n" ); document.write( "Conclusion:Since the p-value is less than 5%, reject Ho. \n" ); document.write( "The proportions are not all equal. \n" ); document.write( "============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |