In: Statistics and Probability
People in the aerospace industry believe the cost of a
space project is a function of the mass of the major object being
sent into space.
Use the following data to develop a regression model to predict the
cost of a space project by the mass of the space object.
Determine r2 and se.
Weight (tons) Cost ($
millions)
1.897
$53.6
3.019
184.2
0.453
6.4
0.9993
23.5
1.058
34.3
2.100
110.4
2.407
104.6
(Do not round the intermediate values for y and x. Round your answers to 4 decimal places.)
(Round the intermediate values to 4 decimal places for r2 and se. Round your answer to 3 decimal places.)
y = _____ + ____ x
r2 = _____
se = _____