A project consists of three activities with information as shown in the table.What is the overall standard deviation of the project? 
Definitions:
Free Soil Party
Political organization formed in 1848 to oppose slavery in the territory acquired in the Mexican War; nominated Martin Van Buren for president in 1848. By 1854 most of the party’s members had joined the Republican Party.
Homesteads
Small-scale agricultural estates typically run by a family or individual.
Tejanos
People of Mexican heritage who live in Texas, historically established prior to the state's independence from Mexico.
Anglos
A term often used to describe English-speaking people, particularly of British or American descent, in contexts where cultural or linguistic distinction is emphasized.
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Q108: If significant deviations from the project plan