# Valley View Hospital schedules doctors and nurses to work in the emergency room (ER) base Show more Problem 3: Valley View Hospital schedules doctors and nurses to work in the emergency room (ER) based on expected demand for their services.

#### Valley View Hospital schedules doctors and nurses to work in the emergency room (ER) base Show more Problem 3: Valley View Hospital schedules doctors and nurses to work in the emergency room (ER) based on expected demand for their services.

The hospital is under intense pressure to keep its costs down but having too few doctors and nurses could be disastrous. Thus it is essential that the hospital be able to accurately forecast demand. The number of patients checking into the ER each month was recorded over the last four months as follows: Use this information to answer the questions below. Remember to show your work and/or explain your reasoning. a). Use a 3-month simple moving average to compute the forecasts for October and November. b). Compute the forecasts for October and November using a 3-month weighted moving average with weights 0.7 0.2 and 0.1. Use the higher weights on the more recent months. c). Determine the forecasts for August through November using exponential smoothing with parameter ? = 0.4. d). Compute the mean absolute deviation for the forecasts you determined in part c above. e). Using simple linear regression the hospital administrator determines that emergency room admissions are strongly related to the unemployment rate (expressed in %) for a given month. She has developed a regression model with a slope of 6.3 and an intercept of 21.5. If the unemployment rate for November is predicted to be 10% what is the corresponding forecast for emergency room patients that month? Show less

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