Asked by John
                The t distribution should be used when ___.
the sampling population is not normal
        
the sampling population is unimodal
        
The sampling distribution is normal and the population standard deviation is unknown
        
the population standard deviation is known
            
            
        the sampling population is not normal
the sampling population is unimodal
The sampling distribution is normal and the population standard deviation is unknown
the population standard deviation is known
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