Class Notes (885,338)
US (343,727)
UND (454)
PSYC (84)
PSYC 241 (7)
Lecture 5

PSYC 241 Lecture 5: Lecture 5: Z-scores
Premium

2 Pages
56 Views

Department
Psychology
Course Code
PSYC 241
Professor
Kristen Leighton

This preview shows 80% of the first page. Sign up to view the full 2 pages of the document.

Loved by over 2.2 million students

Over 90% improved by at least one letter grade.

Leah — University of Toronto

OneClass has been such a huge help in my studies at UofT especially since I am a transfer student. OneClass is the study buddy I never had before and definitely gives me the extra push to get from a B to an A!

Leah — University of Toronto
Saarim — University of Michigan

Balancing social life With academics can be difficult, that is why I'm so glad that OneClass is out there where I can find the top notes for all of my classes. Now I can be the all-star student I want to be.

Saarim — University of Michigan
Jenna — University of Wisconsin

As a college student living on a college budget, I love how easy it is to earn gift cards just by submitting my notes.

Jenna — University of Wisconsin
Anne — University of California

OneClass has allowed me to catch up with my most difficult course! #lifesaver

Anne — University of California
Description
Lecture 5: zscores Distributions How do we describe distribution? Shape (symmetrical, + skewed, bimodal, etc.) Central tendency: one number that describes typical score (mean, median, mode) Variability: quantitative measure of the degree to which scores in a distribution are spread out or clustered together Normal distributions Normal distributions are precisely defined and always the same shape If you randomly choose a score from a normal distribution, it is most likely to be the mean If you rephrase the question in terms of how close would the score be to the mean, it is most likely to be within one standard deviation of the mean Zscores Our goal is to identify exactly where any score lies in this distribution Raw score (X value) provides little information about comparison to other scores in distribution Score may be relatively low, average, or high If raw score is transformed into zscore, the zscore tells us exactly whe
More Less
Unlock Document
Subscribers Only

Only 80% of the first page are available for preview. Some parts have been intentionally blurred.

Unlock Document
Subscribers Only
You're Reading a Preview

Unlock to view full version

Unlock Document
Subscribers Only

Log In


OR

Don't have an account?

Join OneClass

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

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit