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Title: A sample of 16 students showed that the variance in the number of hours they spend studying is 25 . ... Post by: infantryman1986 on Jan 26, 2018 A sample of 16 students showed that the variance in the number of hours they spend studying is 25 . At a 5 level of significance, test to see if the variance of the population is significantly different from 30.
Title: A sample of 16 students showed that the variance in the number of hours they spend studying is 25 . ... Post by: WillGross3 on Jan 26, 2018 H0: 2 = 30
Ha: 2 30 2 = 12.5; do not reject H0 critical values: 6.26 and 27.49, there is not sufficient evidence to conclude that the variance is significantly different from 30 |