document.write( "Question 1202768: A health practitioner, in her research project, studied the relationship between the severity of a disease and blood group. The data collected are given in the following table. Can the severity of the condition and blood group be associated? The severity of the disease is classified by blood group in 3000 patients. \r
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\n" ); document.write( "\n" ); document.write( "Condition Blood Groups
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\n" ); document.write( " O A B AB
\n" ); document.write( "Severe 102 80 20 18 220
\n" ); document.write( "Moderate 210 206 50 34 500
\n" ); document.write( "Mild 768 1054 250 208 2280
\n" ); document.write( "Total 1080 1340 320 260 3000
\n" ); document.write( "Test the hypothesis at  = 0.05
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Algebra.Com's Answer #838512 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "D U P L I C A T E \r
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\n" ); document.write( "\n" ); document.write( "Just solved under this link\r
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\n" ); document.write( "\n" ); document.write( "https://www.algebra.com/algebra/homework/Probability-and-statistics/Probability-and-statistics.faq.question.1202775.html\r
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