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A sample of 10 blue-collar employees at a production plant was taken. Each employee was asked to assess his or her own job satisfaction (x)
A sample of 10 blue-collar employees at a production plant was taken. Each employee was asked to assess his or her own job satisfaction (x) on a scale of 1 to 10. In addition, the numbers of days absent (y) from work during the last year were found for these employees. The sample regression line, given below, was estimated by least squares for these data. 10 Also found were x = 5.6, _ (x; -x) 2 = 110.4, and SSE = 39. Complete parts a and b below. 1=1 y; = 10.7 -0.9x; Click to view the table of critical values of the Student's t distribution. a. Test, at the 10% significance level against the appropriate one-sided alternative, the null hypothesis that job satisfaction has no linear effect on absenteeism. What are the null and alternative hypotheses? O A. Ho: Bo = 0 OB. Ho: B1 = 0 H1 : Po = 0 O C. Ho: B, =0 D. Ho : B, =0 H1: B1 20 Find the F-test statistic. F = 18.3434 (Round to four decimal places as needed.) Find the p-value. The p-value is 0.0027 (Round to four decimal places as needed.) Since the p-value is less than the significance level, reject Ho- This means that there is evidence that job satisfaction | has a positive| linear effect on absenteeism
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