Recall that the heat rate (kilo-joules per kilowatt per hour) was measured for each in a sample
Question:
a. Write a first-order model for heat rate (y) as a function of speed, inlet temperature, exhaust temperature, cycle pressure ratio, and airflow rate.
b. Fit the model to the data using the method of least squares.
c. Give practical interpretations of the β estimates.
d. Find the model standard deviation, s, and interpret its value.
e. Conduct a test for overall model utility using α = .01.
f. Find and interpret R2a.
g. Is there sufficient evidence (at α = .01) to indicate that heat rate (y) is linearly related to inlet temperature?
For Information: Refer to the Journal of Engineering for Gas Turbines and Power (Jan. 2005) study of a high-pressure inlet fogging method for a gas turbine engine. Exercise 7.40.
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Related Book For
Statistics For Business And Economics
ISBN: 9780321826237
12th Edition
Authors: James T. McClave, P. George Benson, Terry T Sincich
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