Exam 1 Review
Chapter 1: Introduction to statistics
1) What are statistics and what do we use them for?
set of mathematical procedure organizing, summarizing and interpreting information
from a sample
2) Contrast correlational research with experimental r
Exam 2 Review
Chapter 6: Probability
1) What is probability and how is it described?
The likelihood of a specific outcome
each individual in a population has an equal chance of being selected
So in order to determine the likelihood of a score occurring, w
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Psy 225
Chapter 1:
INTRO TO STATS
WAKE UP
What are stats? set of mathematical procedure organizing, summarizing and interpreting
information
Quantitative research
Determining the difference between groups or a relationship between variables is
statisti
CHAPTER 7- Distrib. of Sample Means
Expected Value (of M): Mean of distributions of sample means are the same
as the population mean = EV. Sample mean is expected to be near pop
mean.
How to find it: Formula
How it changes: Formula
Standard Error (of M)