100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
Previously searched by you
Previously searched by you
logo
COHP 350 Quiz 5 Verified Study Solutions Rated A+ CA$13.70   Add to cart
Quickly navigate to
Preview
  2.  
  3. COHP 350
  4.  
  5. COHP 350

Exam (elaborations)

COHP 350 Quiz 5 Verified Study Solutions Rated A+
 2 views  0 purchase
  • Course
  • COHP 350
  • Institution
  • COHP 350

COHP 350 Quiz 5 Verified Study Solutions Rated A+ Type I error ANS - false positive - Rejecting a true null hypothesis Why are type I errors worse ANS Because they lead us to decide that a finding exists when it does not. - It is worse to conclude that we found a result that does not exist ...

[Show more]

Preview 1 out of 2  pages

Document information

  • September 14, 2024
  • 2
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • cohp 350 quiz 5 verified
  • cohp 350 quiz 5
  • cohp 350 quiz 5 verified study solutions rated a
  • type i error ans false positive rejecting a

Written for

  • COHP 350
  • COHP 350

Seller

avatar-seller
Nipsey

Reviews received

Content preview

COHP 350 Quiz 5 Verified Study Solutions Rated A+
Type I error ANS - false positive

- Rejecting a true null hypothesis



Why are type I errors worse ANS Because they lead us to decide that a finding exists when it does not.

- It is worse to conclude that we found a result that does not exist than to miss one that does



Type II error ANS - false negative

- accepting a false null hypothesis



Hypothesis Testing Steps ANS 1. specify null and alternative

2. collect sample data (usually given in the problem)

3. Determine correct distribution

4. Perform calculations - p-value, test statistic, etc.

5. Make decision and write meaningful conclusion



What is alpha ANS the probability of making a type 1 error



a > p ANS If the p is low, let the null go

- reject the null hypothesis



a < p ANS If the p is high, let the null fly

- fail to reject the null hypothesis



When to use student's t distribution ANS When you have low sample size



Null hypothesis ANS the hypothesis that there is no significant difference between specified populations, any
observed difference being due to sampling or experimental error.



Alternative hypothesis ANS The hypothesis that states there is a difference between two or more sets of data.

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 Nipsey. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for CA$13.70. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

75323 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
CA$13.70
  • (0)
  Add to cart