Exam (elaborations)
CHAPTER 28: NONPARAMETRIC HYPOTHESIS TESTS (Q & A) PASSED!!
- Course
- Institution
CHAPTER 28: NONPARAMETRIC HYPOTHESIS TESTS (Q & A) PASSED!!
[Show more]
Content preview
CHAPTER 28: NONPARAMETRIC HYPOTHESISTESTS (Q & A) PASSED!!
The performance of four groups must be compared. The sample size is small
and the distributions are not normally distributed. Which of the following tests
would be appropriate? Answer - Kruskal-Wallis
The calculated p-value for a One Sample Sign test is 0.246. Using the
conventional value for p, the null hypothesis cannot be rejected. Answer -
TRUE
Parametric tests that rely on the assumption of normality can deliver
erroneous conclusions when sample sizes are small. Answer - TRUE
Which of the following tests require that distributions from which samples are
taken is normally or close to normally distributed? Answer - One Sample t
Nonparametric tests do not rely on the assumption of normality in the
underlying population. Answer - TRUE
The median statistic is used in nonparametric statistics because the median is
less sensitive to extreme values like those found in a skewed distribution.
Answer - TRUE
The Mann-Whitney test is used to determine if a single sample is equal to a
target value. Answer - FALSE
Nonparametric tests focus on means not medians Answer - FALSE
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller EvaTee. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75759 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now