One Advantage of Floor Trusses Over Joists and Girders Is

question 25

Multiple Choice

One advantage of floor trusses over joists and girders is that ____.

• A) floor trusses need only a minimal number of intermediate supports
• B) floor trusses are ideal for short spanning situations
• C) floor trusses provide convenient avenues for plumbing and ductwork
• D) floor trusses are not needed on a framing plan

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Definitions:

Multiple R

A statistic that represents the correlation between observed and predicted values of a dependent variable in a regression analysis, indicating model fit.

R Square

The ratio of the variance in the outcome variable that can be attributed to the influence of predictor variables in a regression analysis.

Dependent Variables

Variables in an experiment or model that are affected by changes in the independent variables, typically outcomes or results being measured.

Categorical Variable

A variable that can take on one of a limited, and usually fixed, number of possible values, assigning each individual or other entity to a particular group or nominal category.