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;
19 Cards in this Set
- Front
- Back
|
A body of techniques used to collect, organize, analyze, present and interpret data to make better decisions
|
Statistics
|
|
|
Methods used to describe data
|
Collecting, Organizing, Presenting of numerical data
|
|
|
Sample used to infer something about the population
|
Inferential Statistics
|
|
|
Population
|
All possible individuals, objects, or measurements under consideration
|
|
|
Sample
|
portion or part of the population, can be biased
|
|
|
Qualitative
|
nonnumeric, what proportion fall into each eategory
|
|
|
Quantitative
|
numeric, can be either discrete or continuous
|
|
|
Discrete
|
whole numbers
|
|
|
Continuous
|
whole numbers and fractions
|
|
|
Sources of Statistical Data
|
Published Data, Surveys, Questionnaires
|
|
|
can only be placed in one category
|
mutually Exclusive
|
|
|
appears in one of the categories, other or all
|
Exhaustive
|
|
|
NOIR
|
Nominal, Ordinal, Interval, and Ration
|
|
|
Nominal
|
Lowest, most limited can only be classified into categories and can't be arranged in a ranking
|
|
|
Ordinal
|
higher ranking, arranged in some order, can't differences b/w data values
|
|
|
Interval
|
all characteristics of ordinal, amounts of differences b/w data values can be determined, no "natural" zero point
|
|
|
Does zero ____ mean an absence of ___
|
Degrees, temperature Interval
|
|
|
Ratio
|
all characteristics of interval, ratio b/w two numbers is meaningful, meaningful zero point
|
|
|
Does zero ___ mean an absence of ___
|
Weight Pounds, Ratio
|
