Question

In: Statistics and Probability

An instructor hypothesizes that the variance of the final exam grades in her statistics class is...

An instructor hypothesizes that the variance of the final exam grades in her statistics class is larger for male students than it is for female students. The data from the final exam for the last semester are as shown. Is there enough evidence to support her claim, using a .01 level of significance?

Males

females

n1=16

s1-4.2

n2=18

s2=2.3

claim ………………………………................ ________________________

null hypothesis…………………………………. ________________________

alternative hypothesis………………………….. ________________________

Calculator Screen Name……………………… ________________________

test statistic ………………………… ________________________

pvalue/alpha comparison………………………. ________________________

decision …………………………. ________________________

Conclusion …………………………. ____________________

Expert Solution

orchestra answered 2 years ago

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