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Quiz 10 Question 1
Quiz 10
1.
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Assume that both populations are normally distributed.
a) Test whether
at the level of significance for the given sample data. b) Construct a
%
confidence interval about .
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a) Perform a hypothesis test. Determine the null and alternative hypotheses.
Determine the test statistic. t=
Determine the critical value(s). Select the correct choice below and fill in the answer box(es) within your choice.
The critical value is
The lower critical value is _______ The upper critical value is _______
Should the hypothesis be rejected??
__________ the null hypothesis because the test statistic _________ critical region.
b) Construct a 95% confidence interval about ì1−ì2.
The confidence interval is the range from ____ to _____
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