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1. We said that Gosset provided “a readily accessible theoretical tool for the small sample…

1. We said that Gosset provided “a readily accessible theoretical tool for the small sample…

1. We said that Gosset provided “a readily accessible theoretical tool for the small sample case” to model the sample mean . That theoretical tool takes what form?2. (a) Show that S2 is a random variable. (b) Why must we assume the population to be normally distributed to use Student's t-distribution?