Assignment:
Verify the calculation of the 95% confidence interval for each of the treatment means.
A researcher has used a standard test in measuring the job-satisfaction scores for employees randomly selected from three departments of a large firm. Interpret the results summarized in the following Minitab output.
![414_confidence interval.JPG](https://secure.tutorsglobe.com/CMSImages/414_confidence interval.JPG)
Provide complete and step by step solution for the question and show calculations and use formulas.