Question: An analysis was performed on data relating to the number of weeks of experience in a job involving the wiring of electronic components and the
An analysis was performed on data relating to the number of weeks of experience in a job involving the wiring of electronic components and the number of components that were rejected during the past week for 12 randomly selected workers. The analysis is as follows:
| Regression Analysis | ||||||
| r² | 0.825 | n | 12 | |||
| r | -0.908 | k | 1 | |||
| Std. Error | 2.636 | Dep. Var. | Rejects | |||
| ANOVA table | ||||||
| Source | SS | df | MS | F | p-value | |
| Regression | 328.1901 | 1 | 328.1901 | 47.24 | 4.34E-05 | |
| Residual | 69.4766 | 10 | 6.9477 | |||
| Total | 397.6667 | 11 | ||||
| Regression output | confidence interval | |||||
| variables | coefficients | std. error | t (df=10) | p-value | 95% lower | 95% upper |
| Intercept | 35.4648 | 1.7239 | 20.573 | 1.63E-09 | 31.6238 | 39.3059 |
| Experience | -1.3867 | 0.2018 | -6.873 | 4.34E-05 | -1.8363 | -0.9372 |
1. There is no apparent relationship between experience and rejects produced.
-True
-False
2. In the previous regression question, what is the rate of change of the number of rejects with respect to one-week additional experience?
Enter the value exactly as you see it in the preceding analysis.
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