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.
Step by Step Solution
3.46 Rating (153 Votes )
There are 3 Steps involved in it
Step: 1
An analysis was performed on data relating the number of weeks of experience in a job involv...Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started