Exam 1 Definitions Flashcards
Specific numbers
Numerical measurement determined by a set of data
Method of Analysis
A collection of methods for planning experiments,obtaining data,and then organizing,summarizing,presenting,analyzing,interpreting,and drawing conclusions based on the data
Population
The complete collection of all elements to be studied
Census
The collection of data from every element in a population
Sample
A sub collection of elements drawn from a population
Statistic
A numerical measurement describing some characteristics of a sample
Parameter
A numerical measurement describing some characteristics of a population
*Quantitative data
Numbers representing counts or measurement
*Qualitative data
Can be separated into different categories that are distinguished by some nonnumeric characteristics
Nominal
Categories only
Ordinal
Categories with some order
Interval
Differences but no natural starting point
Ratio
Differences and a natural starting point
