Exam (elaborations)
7.1 STA 2023 Exam Questions and Complete Solutions Graded A+
- Course
- Institution
7.1 STA 2023 Exam Questions and Complete Solutions Graded A+
[Show more]
Content preview
7.1 STA 2023 ExamQuestions and Complete
Solutions Graded A+
What is a hypothesis test? - Answer: A process that uses sample statistics to test a claim about the value
of a population parameter
What is a statistical hypothesis? - Answer: A statement about a population parameter
What is a null hypothesis? - Answer: A statistical hypothesis that contains a statement of equality
What is an alternative hypothesis? - Answer: A statement that contains a statement of strict inequality
What re the two decisions you can make when performing a hypothesis test? - Answer: 1) Reject the
null hypothesis
2) Fail to reject the null hypothesis
What is a type I error? - Answer: An error that occurs if the null hypothesis is rejected when it is true
What is a type II error? - Answer: An error that occurs if the null hypothesis is not rejected when it is
false
What is the level of significance? - Answer: The maximum allowable probability of making a type I error
How is a type I error denoted? - Answer: α
How is a type II error denoted? - Answer: β
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 YourExamplug. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
72042 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now