# LIR832-Spring-2004-final-exam-answer-key - LIR 832 Final...

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A. Does the estimate support your friends belief that HPWS are associated with longer time away from work. Explain your answer. ***************************************************************************** One-tailed T-test on the coefficient on HPWS: H A : β HPWS > 0 H O : β HPWS < 0 t = 2.2 / 1.5 t = 1.4667 Critical t-values: 10% - 1.282 Reject Ho 5% - 1.645 Do NOT reject Ho 1% - 2.326 Do NOT reject Ho ***************************************************************************** B. Are the balance of the estimated coefficients consistent with our hypotheses about lost work time? Be sure to justify your answer using the methods of this course.
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