Study Guides (238,197)
Canada (115,008)
York University (9,812)
Psychology (1,150)
PSYC 2021 (17)

Statistical Methods.docx

2 Pages
Unlock Document

York University
PSYC 2021
Matthew Sigal

Statistical Methods Saturday, January 12, 2013 Chapter 1- Introduction and Descriptive Statistics 1.1 Statistics, Science, and Observation What is Statistics- Consists of facts and figures such as average income, crime rate, birth rate and etc. They are time saving and informative because they condense large quantities of information into a few simple figures. We use Statistics to refer a set of mathematical procedures Stats serve two general purposes - It is used to summarize and organize the information so researchers can see what happened but also communicate this information to others - Also to answer the question that they first purposed ex. Does violence on t.v affect a child’s behavior? Also what general conclusions can be justified based on results that are obtained Statistical procedures - help ensure information or observation is presented and interpreted in an accurate and informative way. -Bring order to chaos Information presented allows for scientific community to understand worldwide 1.2 Populations and Samples Researches usually start with a general question about a specific group (or groups) of individuals - Ex. Examine the amount of time spent in the bathroom for men compared to women - The researcher is comparing the group of men and group of women - The entire group that a researcher wishes to study is called a population,( is a set of all the individuals of interest in a particular study) A population can vary in size from small to large. ex you cannot use the entire race of women and men for the study above. So a researcher will narrow down his search by using only women who vote in the U.S. Humans are not the only people who can be considered for a population, you could use animals- rats, corporations, parts manufactured at a factory. Possibilities are endless Because populations tend to be very large it is im
More Less

Related notes for PSYC 2021

Log In


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


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.