Class Notes (836,153)
Tony Quon (67)
Lecture 9

4 Pages
44 Views

School
Department
Course
Professor
Tony Quon
Semester
Fall

Description
Hypothesis Testing for a Mean: What about a Small Sample Size? > The hypothesis testing outlined earlier depends on sampling distribution of the statistic being approximately normal This is true if The population distribution is normal The sample size is large enough (Central Limit Theorem) Nonparametric Alternative Test for Medians Suppose we have observations from a symmetric (nonnormal) distribution Test: H0: population median = 0 Ha: population median 0 Wilcoxon SignedRank Test: Compute di = Xi 0 where Xis are the actual observations Delete all zero differences and let the sample size n be the number of remaining dis Take the absolute values of the dis and rank them (1 for smallest and n for largest)
More Less

Me

OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Join to view

OR

By registering, I agree to the Terms and Privacy Policies
Just a few more details

So we can recommend you notes for your school.