Cattle Are Classified According to Age (Young, Medium, and Old) $a = 0.01$

question 36

Multiple Choice

Cattle are classified according to age (young, medium, and old) and carcass quality (grades A, B, and C) . In one study, the animals were classified as :


The chi-square statistic for testing if there is an association between age and grade was calculated. The rejection region for this test is (use $a = 0.01$ ) :

• A) \(X ^ { 2 } > 9.488\)
• B) \(X ^ { 2 } < 0.207\) or \(X ^ { 2 } > 14.86\)
• C) \(X ^ { 2 } > 13.277\)
• D) \(2.180 < X ^ { - 2 } < 17.535\)

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