Assign 9 8 PLEASE SHOW ALL WORK Because the t procedures are

Assign 9 #8 PLEASE SHOW ALL WORK

Because the t procedures are robust, what is the most important condition for their safe use? The population standard deviation is known. The data can be regarded as an SRS from the population. The population distribution is exactly Normal. eBook

Solution

OPTION B: The data can be regarded as an SRS from the population.

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[Option C was close, but it doesn\'t have to be exactly normal, it could be just approximately normal.]