Answer :

that the confidence levels and p - values from the t procedures are quite accurate even if the population distribution is not exactly normal

Because the t procedures are robust, the most important condition for their safe use is that.

The meaning of that major reason is

that the confidence levels and p - values from the t procedures are quite accurate even if the population distribution is not exactly normal

learn more about of distribution here

https://brainly.com/question/15833960

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