Amanager of a factory wants to know if a new quality check protocol has decreased the number of units a worker produces in a day. before the new protocol, a worker could produce 27 units per day. what alternative hypothesis should the manager use to test this claim?

Amachine purchased three years ago for $720,000 has a current book value using straight-line depreciation of $400,000: its operating expenses are $60,000 per year. a replacement machine would cost $480,000, have a useful life of nine years, and would require $26,000 per year in operating expenses. it has an expected salvage value of $130,000 after nine years. the current disposal value of the old machine is $170,000: if it is kept 9 more years, its residual value would be $20,000. calculate the total costs in keeping the old machine and purchase a new machine. should the old machine be replaced?

If the findings and the results are not presented properly, the research completed was a waste of time and money. true false

Which analyst position analyzes information using mathematical models to business managers make decisions? -budget analyst -management analyst -credit analyst -operations research analyst