Class notes
Class Notes - Stats
- Course
- PSYC 1010 (PSYC1010)
- Institution
- University Of Guelph (U Of G )
statistics notes for first chap
[Show more]
Seller
Follow
Content preview
PSYC1010 Chapter 1 – Textbook NotesCh1: Introduction to Statistics
1.1 Statistics, Science, and Observations
Statistics
Consists of facts and figures
o Like the avg. annual snowfall in Toronto
Involves gathering info
o After, we find ourselves with a lot of info like preferences, personality scores, etc.
2 General Purposes
o Statistics are used to organize and summarize info. so, the researcher can see
what happened in the research study and can communicate the results to others
o Statistics help researchers answer questions that initiated the research by
determining exactly what general conclusions are justified based on the specific
results that were obtained.
Statistics Definition
o Refers to a set of mathematical procedures for organizing, summarizing, and
interpreting information.
Populations and Samples
Population
o The set of all the individuals of interest in a particular study
o Usually very large
Which is why they uses samples
Sample
o A set of individuals selected from a population, usually
intended to represent the population in a research study
o Goal is to generalize the results back to the entire population
Variables and Data
Variable
o A characteristic or condition that changes or has different values for different
individuals
o Examples of characteristics
Height, weight, gender
o Examples of environmental conditions
Temperature, time of day, size of room
Data (Plural)
o Measurements or observations
Data Set
o A collection of measurements or observations
Datum (Singular)
o A single measurement or observation
o Commonly called a score or raw score
Parameters and Statistics
Parameter
o A value, usually a numerical value, that describes a population
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 barb123. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for CA$13.64. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73918 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now