 or or taken why

Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.

Don't know
Know
remaining cards
Save
0:01
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size     Small Size show me how

# prob/stats ch1

### math

TermDefinition
Variable A characteristic or attribute that can assume different values
Data The values the variables asume
Random Variable Variables whose values are determined by chance
Data Set A collection of data values
Data Value- Datum Each value of data set
Probability The chance of an event occuring
Population Consists of all subjects that are being studied
Sample A group of subjects selected from a population
Hypothesis Testing A decision-making process for evaluating claims about a population based on information from samples
Independent Variables (Exploratory)
Dependent Event (outcome, Resultant)
True vs. Quasi Experiments
Confounding Variable
Hawthorne Effect
Control Group
Treatment Group
Margin of Error
Margin of Error Interval
Biased Question
Unbiased Question
Sequential Sampling
Double Sampling
Multistage Sampling
Define Statistics The science of conducting studies to collect, organize, summarize, analyze, and draw conclusions from data
3 Examples of how statistics are used in everyday life
3 reasons to study statistics
Example of Descriptive Statistics
Examples of Inferential Statistics
find boundaries of 1.6 1.55- 1.65
Nominal Example
Ordinal Example
Interval Example
Ratio Example
2 purposes of data collection
3 ways to collect data
Example of Random Sampling
Example of Systematic Sampling
Example of Stratified Sampling
Example of Cluster Sampling
Example of Observational study
Example of Experimental Study