+
Related Flashcards
Related Topics
Cards In This Set
| Front | Back |
|
Raw Data
|
When data is obtained
|
|
Frequency Distribution
|
List each category of data & the # of occuriences for each category of data
|
|
Relative Frequency
|
Is the proportion(or %) of observations w/in a category & is found the formula
|
|
Relative Frequency Distribution
|
List each category of data together with the relative frequency
|
|
Bar Graph
|
Constructed by labeling each category of data on a horizontal axis and the freq. or relative freq. of the cat. on the vertical axis.
|
|
Bar Graph Con't
|
Rectangles of = width are drawn for each cat. The height of each rectangle is equal to the categories freq. or relative freq.
|
|
Bar Graph Con't
|
*Rectangles do not touch*
|
|
Pareto Chart
|
Is a bar graph whose bars are drawn in decreasing order of freq. or relative freq.
|
|
Side by Side Bar Graph
|
Compares 2 sets of data (should be compared using relative freq.)
|
|
Pie Chart
|
Is a circle divided into sectors. Each sector represents a category of data. The area of each sector is proportional to the freq. of the category.
|
|
Histogram
|
Is constructed by drawing rectangles for each class of data. The height of each rectangle is the freq. or relative freq.
|
|
Histogram Con't
|
Of the class. The width of each rectangle is the same and the rectangles touch each other.
|
|
Classes
|
Are categories of data created by using intervals of #'s.
|
|
Lower class limit
|
The smallest value within the class.
|
|
Upper class limit
|
The largest value within the class.
|
