Study Guides (238,467)
United States (119,812)
Psychology (130)
PSY 1167 (7)
Retired (3)
Midterm

# Statistics Exam 1 Study Guide.docx

4 Pages
44 Views

School
Temple University
Department
Psychology
Course
PSY 1167
Professor
Retired
Semester
Fall

Description
Statistics Exam 1 Study Guide Chap 1 • Descriptive Statistics- Organize and summarize observations • Inferential Statistics- draw conclusions, interpret data • Statistics- science of classifying, organizing, and analyzing data • Sample- a subset of a population • Statistic- describes a sample • Parameter- describes a population • Independent variable- systematically manipulated by the researcher • Dependent Variable- the outcome variable that is measured or observed • Experimental Group- exposed to independent variable • Control Group- exposed to all other conditions except the independent variable • Psychological Experiment- Actively manipulate environment in order to observe effect on behavior • Continuous Scale- allows for fractional amounts and so decimals make sense (height) • Discrete Scale- Can’t be decimals • Interval- used with quantitative data, scale with equal intervals (no true zero) • Nominal- used with qualitative data, female, male, republican (named) • Ordinal- used with ranked data, 1 , 2 , fresh, soph (ranked) • Ratio- used with quantitative data, true zero • Qualitative Data- categories or classes represented by words (yes/no) or letters (M/F) or numerical codes (0/1) • Quantitative Data- amount or count represented by numbers • Ranked Data- numbers or words that represent relative standing within a group Chap 2 o Apparent Limit -Extend from the smallest unit of measurement to the largest for a given interval -Gaps of 1 between adjacent intervals (20-29, 30-39) o Real Limit -No gaps when determining the actual width of a class interval, -Extend upper and lower limits by .5 o Relative Frequency Distributions -Shows proportion or percentage of the total number of observations To Calculate: -Proportion: divide frequency (f) of each class by the total frequency count (n), ranges from 0-1, total sum=1 -Percentage: multiply each proportion by 100, ranges 0-100%, total sum=100% o Cumulative Frequency Distributions: -Shows total number of observations in each class and all lower ranked classes, start at
More Less

Related notes for PSY 1167

OR

Don't have an account?

Join OneClass

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

Join to view

OR

By registering, I agree to the Terms and Privacy Policies
Just a few more details

So we can recommend you notes for your school.

Get notes from the top students in your class.

Request Course
Submit