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Author Question: A manufacturer of boiler drums wants to use regression to predict the number of man-hours needed to ... (Read 53 times)

audragclark

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A manufacturer of boiler drums wants to use regression to predict the number of man-hours needed to erect drums in the future. The manufacturer collected a random sample of 35 boilers and measured the following two variables:

MANHRS:y = Number of man-hours required to erect the drum
PRESSURE:x1= Boiler design pressure (pounds per square inch, i.e., psi)

The simple linear model E(y) = β0 + β1x was fit to the data. A printout for the analysis appears below:

UNWEIGHTED LEAST SQUARES LINEAR REGRESSION OF MANHRS







Fill in the blank. At α =.01, there is ____________ between man-hours and pressure.
◦ sufficient evidence of a negative linear relationship
◦ sufficient evidence of a positive linear relationship
◦ sufficient evidence of a linear relationship
◦ insufficient evidence of a positive linear relationship


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Marked as best answer by audragclark on Feb 14, 2020

asdfghjkl;

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audragclark

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Reply 2 on: Feb 14, 2020
Wow, this really help


LVPMS

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Reply 3 on: Yesterday
Gracias!

 

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