Collection of data from every member of a population
Sample
A selected part of a population
Parameter
A measured characteristic of a population
Statistic
A measured charcteristic of a sample
Bar graph
A graph that uses bars to represent and compare data
Data
Facts, numbers,or numerical information
Frequency Table
A table that organizes data into intervals
Histogram
A graph where data is organized into equal intervals
Mean
The sum of all values in a data set divided by the number of values
Median
The middle value in a data set when the values are written in numerical order. If a data set has an even number of values, the median is the mean of the two middle values
Mode
The value in a data set that occurs most often. A data set can have no mode, one mode, or more than one mode
Range
The difference of the greatest value and the least value in a data set