A hospital is analyzing its overhead costs. It is not clear whether the number of patient days or nursing hours would be the best cost driver to use in predicting the hospital’s overhead. The latest information on the hospital is as follows:
Month Hospital Nursing No. of Overhead Overhead Cost
Overhead Hours Patient Cost Per Per Patient
Costs Days Nursing Hr. Day
July $950,000 50,000 7,900 $19.00 $120.25
August $1,070,000 52,000 8,900 $20.58 $120.22
September $825,000 40,000 8,700 $20.63 $ 94.83
October $922,500 43,500 6,900 $21.21 $133.70
November $1,150,000 64,000 11,900 $17.97 $ 96.64
December $890,000 41,500 6,750 $21.45 $131.85
Required:
Intercept |
346245 |
Slope |
12.81796 |
RSQ |
0.909311 |
Round the variable portion of the regression equation formula to two decimal places. Based on the regression equation formula, what will the predicted total hospital overhead costs be if 49,000 nursing hours are expended during a month?
Intercept |
559764 |
Slope |
47.970926 |
RSQ |
0.563496482 |
Again, round the variable portion of the regression equation to two decimal places. If 8,500 patient days are predicted for a month, what is the total predicted hospital overhead costs using the regression equation?
The graph is straight line except for the September month over head cost
Month | overhead cost | nursing hours |
over head Cost per nursing hour |
patient Days |
over head cost per Patient day |
July | $950000 | 50000 | 19 | 7900 | 120.25 |
Aug | $1070000 | 52000 | 20.58 | 8900 | 120.22 |
Sep | $825000 | 40000 | 20.63 | 8700 | 94.83 |
Oct | $922500 | 43500 | 21.21 | 6900 | 133.70 |
Nov | $1150000 | 64000 | 17.97 | 11900 | 96.64 |
Dec | $890000 | 41500 | 21.45 | 6700 | 131.85 |
(8700,825000)is away from the straight line . At 6900 patient days the over head cost is 922500 which more than at 8700 patient days the over head cost 825000
regression analysis using nursing hours as the cost driver produces accurate cost data because
RSQ for nursing hours 0.909311
RSQ for patient days 0.563496482
The rsq 1 represents better correlation among the data
So rsq 0.909311 is more better than rsq 0.563496482
A hospital is analyzing its overhead costs. It is not clear whether the number of patient...
A hospital is analyzing its overhead costs. It is not clear whether the number of patient days or nursing hours would be the best cost driver to use in predicting the hospital’s overhead. The latest information on the hospital is as follows: Month Hospital Nursing No. of Overhead Overhead Cost Overhead Hours Patient Cost Per Per Patient Costs Days Nursing Hr. Day July $950,000 50,000 7,900 $19.00 $120.25 August $1,070,000 52,000 8,900 $20.58 $120.22...
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