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QUESTION 11 A Director of Human Resources is exploring employee absenteeism at a Hospital. A multiple...

QUESTION 11

  1. A Director of Human Resources is exploring employee absenteeism at a Hospital. A multiple linear regression analysis was performed using the following variables. The results are presented below.

    Variable Description
    Y number of days absent last fiscal year
    x1 commuting distance (in miles)
    x2 employee's age (in years)
    x3 length of employment at PPP (in years)
    Coefficients Standard Error t Statistic p-value
    Intercept 6.594146 3.273005 2.014707 0.047671
    x1 -0.18019 0.141949 -1.26939 0.208391
    x2 0.268156 0.260643 1.028828 0.307005
    x3 -2.31068 0.962056 -2.40182 0.018896
    R=0.498191 R2=0.248194 Adj R2=0.192089
    se = 3.553858 n = 73

    Which of the following interpretations is correct?

    a.

    For every additional year in the employee's age, the average number of absent days in the last year significantly (p-value<0.05) increases by 0.27 days.

    b.

    For every additional year in employee’s length of employment, the average number of absent days in the last year significantly (p-value<0.05) decreases by 0.51 days.

    c.

    None of the above is correct.

Homework Answers

Answer #1

a)

a.

For every additional year in the employee's age, the average number of absent days in the last year significantly (p-value<0.05) increases by 0.27 days.

FALSE (because p value = 0.307 >0.05 )

.

b) For every additional year in employee’s length of employment, the average number of absent days in the last year significantly (p-value<0.05) decreases by 0.51 days.

FALSE (because its coefficient is 2.31 not 0.51 )

answer:  None of the above is correct.

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