Cattle are classified according to age (young, medium, and old) and as to 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 null hypothesis being tested is:
Definitions:
Fixed Rate
A constant interest rate applied to a loan or mortgage that remains unchanged throughout the term, offering predictability in payments.
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