Null and Alternative Hypotheses Assignment | Professional Writing Services
December 13th, 2019
Because of high production-changeover time and costs, a director of manufacturing must convince management that a proposed manufacturing method reduces costs before the new method can be implemented.
The current production method operates with a mean cost of $230 per hour. A research study will measure the cost of the new method over a sample production period.
a. Develop the null and alternative hypotheses most appropriate for this study.
Ho: ____ 230
Ha: ____ 230
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