13.34 To study the pass rates of students based on the number classes missed by students and...
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13.34 To study the pass rates of students based on the number classes missed by students and the number of cocurricular activities students enroll for, a random sample was selected from the past 40 long and short semesters. The study resulted in a Durbin-Watson statistic of 2.84.
a. Conduct a Durbin-Watson test to determine whether there is a negative autocorrelation in errors at 1%
significance level.
b. How would you avoid autocorrelated errors in such a situation? Estimate the autocorrelation parameter in which it may be avoided in this problem.
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Related Book For
Essential Mathematics And Statistics For Science
ISBN: 9780470694480
2nd Edition
Authors: Graham Currell, Dr. Antony Dowman
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