Needing a Simple Cost Estimator for Commercial Construction Costs in the City

question 9

Multiple Choice

Needing a simple cost estimator for commercial construction costs in the city, you hope to find a useful linear relationship between cost (y) and floor space (x) .You have data from a sample of four recently completed building projects: The estimated regression equation turns out to be y = 24 + 1.6x and s_y.x = 17.9.You want to construct an appropriate hypothesis test to determine whether we can use the sample data here to reject a β = 0 null hypothesis.Calculate the value of the proper test statistic, t_stat, for the test.

• A)4.2
• B)2.8
• C)5.1
• D)1.4
• E)6.3

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Definitions:

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A weapon of mass destruction that releases energy through nuclear reactions, capable of causing widespread devastation and loss of life.

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