Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
24 Cards in this Set
- Front
- Back
|
Experimental Study
|
one variable is controlled to see how it influences the variable of interest
|
|
|
Observational Study
|
no controlled variable; observing in natural state
|
|
|
Data
|
Facts and statistics collected for references or analysis
|
|
|
Data Set
|
All collected data
|
|
|
Element
|
The entities that data is collected on
|
|
|
Variable
|
a characteristic of interest for elements
|
|
|
Observation
|
a set of measurements for an element
|
|
|
Cross-sectional data
|
data collected at the same time
|
|
|
Time-series data
|
data collected over several period of times
|
|
|
Nominal scale
|
a discrete classification of data that is not ordered or measured but rather allocated to distinct categories
|
|
|
Non numeric nominal
|
label or name e.g credit card
|
|
|
Numeric nominal
|
a number that is neither a rank nor a quantity
|
|
|
Ordinal scale
|
a classification of data that is ordered
|
|
|
Non numeric ordinal
|
label or rank; eg. poor/average/good
|
|
|
Numeric ordinal
|
rank or order represented by a number; eg. 1,2,3,4
|
|
|
Numeric data
|
data that has numbers
|
|
|
discrete
|
exact value
|
|
|
qualitative data
|
data that is not numbers; descriptions
|
|
|
quantitative data
|
data with numbers
|
|
|
continuous
|
not exact; decimals
|
|
|
population
|
entire size of interested group
|
|
|
sample statistical inference
|
measured data from sample to compute a statistic inference about the population
|
|
|
sample statistical
|
measured data from the sample group
|
|
|
population parameter
|
a descriptive measure of the population
|
