Keyboard and Word Processing Narrative
The data shown below were taken from a 2 * 3 factorial experiment to examine the effects of factor A (keyboard configuration, 3 levels) and factor B (word processing package, 2 levels). Each cell consists of four replicates, representing the number of minutes each of four secretaries randomly assigned to that cell required to type a standard document.
Factor B 
-Refer to Keyboard and Word Processing Narrative. Test at the 5% significance level to determine if differences exist among the levels of factor A.
Definitions:
Family Size
The number of individuals in a household related by blood, marriage, or adoption.
Poverty Line
The minimum level of income deemed necessary to achieve an adequate standard of living in a given country, helping to identify individuals and households in need.
Poverty Thresholds
The minimum income levels set by a government that determine who is considered to be living in poverty.
U.S. Bureau of the Census
A principal agency of the U.S. Federal Statistical System, responsible for producing data about the American people and economy.
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