Question: solve the above using the following table Mean s s.e Pooled s.e t p Maintained 625 150 150/(225)= 10 No maintenance 575 200 200/(75)= 23.09
solve the above using the following table Mean s s.e Pooled s.e t p Maintained 625 150 150/(225)= 10 No maintenance 575 200 200/(75)= 23.09 (102+23.092) =24.49 (625-575)/24.49=2.04 >
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