The manufacturers of a chemical used in flea collars claim that under standard test conditions each additional
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The manufacturers of a chemical used in flea collars claim that under standard test conditions each additional unit of the chemical will bring about a reduction of 5 fleas (i.e. where X j = amount of chemical and YJ = B0 + B1 ⋅ XJ + EJ , H0 : B1 = −5 Suppose that a test has been conducted and results from a computer include:
Intercept = 60 Slope = −4 Standard error of the regression coefficient = 1.0 Degrees of Freedom for Error = 2000 95% Confidence Interval for the slope −2.04, −5.96 Is this evidence consistent with the claim that the number of fleas is reduced at a rate of 5 fleas per unit chemical?
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Related Book For
Introductory Business Statistics
ISBN: 202318
1st Edition
Authors: Alexander Holmes , Barbara Illowsky , Susan Dean
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