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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
The Armer Company is accumulating data to be used in preparing its annual profit plan for the coming year. The cost behavior pattern of the maintenance costs must be determined. The accounting staff has suggested that linear regression be employed to derive an equation in the form of y = a + bx for maintenance costs. Data regarding the maintenance hours and costs for last year and the results of the regression analysis are as follows:
    Â
| Â | Hours of Activity | Â | Maintenance Costs | |
| Â Â January | 510 Â Â Â Â Â Â Â Â Â Â Â Â | Â | $ 4,200 Â Â Â Â Â Â Â Â Â Â Â Â | |
| Â Â February | 300 Â Â Â Â Â Â Â Â Â Â Â Â | Â | 2,900 Â Â Â Â Â Â Â Â Â Â Â Â | |
| Â Â March | 410 Â Â Â Â Â Â Â Â Â Â Â Â | Â | 3,700 Â Â Â Â Â Â Â Â Â Â Â Â | |
| Â Â April | 290 Â Â Â Â Â Â Â Â Â Â Â Â | Â | 2,960 Â Â Â Â Â Â Â Â Â Â Â Â | |
| Â Â May | 510 Â Â Â Â Â Â Â Â Â Â Â Â | Â | 4,330 Â Â Â Â Â Â Â Â Â Â Â Â | |
| Â Â June | 300 Â Â Â Â Â Â Â Â Â Â Â Â | Â | 2,920 Â Â Â Â Â Â Â Â Â Â Â Â | |
| Â Â July | 300 Â Â Â Â Â Â Â Â Â Â Â Â | Â | 3,010 Â Â Â Â Â Â Â Â Â Â Â Â | |
| Â Â August | 530 Â Â Â Â Â Â Â Â Â Â Â Â | Â | 4,630 Â Â Â Â Â Â Â Â Â Â Â Â | |
| Â Â September | 480 Â Â Â Â Â Â Â Â Â Â Â Â | Â | 4,100 Â Â Â Â Â Â Â Â Â Â Â Â | |
| Â Â October | 480 Â Â Â Â Â Â Â Â Â Â Â Â | Â | 3,940 Â Â Â Â Â Â Â Â Â Â Â Â | |
| Â Â November | 340 Â Â Â Â Â Â Â Â Â Â Â Â | Â | 3,200 Â Â Â Â Â Â Â Â Â Â Â Â | |
| Â Â December | 360 Â Â Â Â Â Â Â Â Â Â Â Â | Â | 3,280 Â Â Â Â Â Â Â Â Â Â Â Â | |
| Â | Â | Â | Â | |
| Â Â Sum | 4,810 Â Â Â Â Â Â Â Â Â Â Â Â | Â | 43,170 Â Â Â Â Â Â Â Â Â Â Â Â | |
| Â Â Average | 401 Â Â Â Â Â Â Â Â Â Â Â Â | Â | 3,598 Â Â Â Â Â Â Â Â Â Â Â Â | |
    Â
| Â Â A coefficient | Â | Â | 1,014.92 Â Â Â Â | |
| Â Â B coefficient | Â | Â | 6.4430 Â Â Â Â | |
| Â Â Standard error of the a cofficient | 127.220 Â Â Â Â | Â | Â Â Â Â | |
| Â Â Standard error of the a cofficient | 0.30937 Â Â Â Â | Â | Â Â Â Â | |
| Â Â Standard error of the estimate | Â | Â | 98.460 Â Â Â Â | |
| Â Â R2 | Â | Â | 0.97746 Â Â Â Â | |
| Â Â T-value a | Â | Â | 7.978 Â Â Â Â | |
| Â Â T-value b | Â | Â | 20.826 Â Â Â Â | |
   Â
|
Using the high-low method to estimate cost behavior, 410 maintenance hours in a month would mean the maintenance costs would be budgeted at: (Round your intermediate calculations and final answer to 2 decimal places.) |
| Â | $3,902.00. |
| Â | $3,280.00. |
| Â | $3,598.00. |
| Â | $3,795.20. |
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