Search
Browse
Create
Log in
Sign up
Log in
Sign up
Upgrade to remove ads
Only $2.99/month
AP Stats Unit 3 Vocab
STUDY
Flashcards
Learn
Write
Spell
Test
PLAY
Match
Gravity
Terms in this set (32)
Bias
Systematic failure of a sample to represent its population
Voluntary response bias
Bias produced from having volunteers who chose to be in the sample
Nonresponse Bias
Bias introduced to a sample when a large percent of those surveyed fail to respond
Undercoverage
Result from sampling method that leaves out some part of the population
Response Bias
Bias in a survey design that influences responses
Census
Sample that includes the entire population
Sampling Frame
List of individuals or subjects from whom a sample is taken
Stratified Sample
Sample where the population is first divided into homogeneous groups, then samples are drawn from each group
Cluster Sampling
Sampling design where heterogeneous groups are chosen at random
Systematic Sample
Sample where, say, every fifth individual is chosen
Multistage Sample
Sampling design where several sampling... (my pic cut it off)
Convenience Sample
Sample that chooses subjects who are easiest to obtain
Sampling Variability
Naturally occurring variability found in samples.
Observational Study
Study where no treatment have been assigned to subjects
Experiment
Study where treatments are randomly assigned to subjects
Explanatory Variable/Factor
Variable in an experiment whose levels are controlled by the experimenter
Experimental Units
Individuals on whom an experiment is performed
Levels
Values that the experimenter used for a factor
Treatments
Different levels of a single factor in an experiment
Control, Randomization, and Replication
Three principles of experimental design
Blocking
Experimental design that is used to reduce the effect of variation among the experimental units
Control Group
Group of subjects used for a baseline treatment level
Single-blind experiment
Condition where either the subject or the evaluator isn't aware of the treatment imposed
Double-blind experiment
Condition where neither the subject nor the evaluator knows the treatment imposed
Placebo
Treatment that is known to have no effect
Placebo Effect
Tendency of human subjects to react to a placebo
Confounding
Condition when the levels of one factor are associated with the levels of another factor.
Completely Randomized Design
Design where all experimental units have an equal chance of receiving any treatment
Survey
Questions posed to a sample of a population
Simple Random Sample
Sample in which every possible group of size N is equally likely
Population
The entire group of individuals about whom we hope to learn
Sample
Representative subset of a population
THIS SET IS OFTEN IN FOLDERS WITH...
Enzymes *
19 terms
Death of a Salesman
46 terms
Diffusion
10 terms
Great Expectations
10 terms
YOU MIGHT ALSO LIKE...
AP Statistics Unit 3 Vocab
48 terms
AP Stats Unit 4
50 terms
AP Statistics: Gathering Data
49 terms
Statistics vocab
32 terms
OTHER SETS BY THIS CREATOR
Law Enforcement Test 4
31 terms
World Geography Unit 1 & 3
37 terms
Oceanography Midterm 2
5 terms
CCJ Chapter 1
31 terms