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Home Q & A Board Science-Related Homework Help Mathematics
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infantryman1986 infantryman1986
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6 years ago
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.
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#1
6 years ago
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
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