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Budget Analysis: A budget is an expression of management's expectations and goals concerning future revenues and costs. To increase their effectiveness, many budgets are flexible,

Budget Analysis: A budget is an expression of management's expectations and goals concerning future revenues and costs. To increase their effectiveness, many budgets are flexible, including allowances for the effect of variation in uncontrolled variables. For example, the costs and revenues of many production plants are greatly affected by the number of units produced by the plant during the budget period, and this may be beyond a plant manager's control. Standard cost-accounting procedures can be used to adjust the direct-cost parts of the budget for the level of production, but it is often more difficult to handle overhead. In many cases, statistical methods are used to predict or forecast overhead from the level of production using historical data.
As a simple example, consider the historical data for a certain plant. Enter the data into EXCEL and analyze it to answer the following items.
Production (in 10,000) units: 567891011
Overhead costs (in $1,000): 1311.6131615.615.117.9
Provide the sample-based estimates for the model parameters. (Round your answers to three decimal places.)
=_____+______x
Use the model to predict the overhead cost associated with the production of 50,000 units. (Round your answer to two decimal places.)
$ _________
The actual overhead cost was $13,000 when 50,000 units were produced (See the raw data above). Calculate the residual. (Round your answer to two decimal places.)
$ ________
Interpret the residual you calculated immediately above by mentally inserting the ABSOLUTE VALUE of the residual into the blanks below.
SELECT ONE:
When using this model to make predictions, we expect to be off by _______ units, on average.
Our prediction was _______ units lower than the actual overhead cost when 50,000 units were produced. Our prediction was an underestimate.
Our prediction was _______ units higher than the actual overhead cost when 50,000 units were produced. Our prediction was an underestimate.
When using this model to make predictions, we expect to be _______ units closer to the true value, on average.
Our prediction was _______ units higher than the actual overhead cost when 50,000 units were produced. Our prediction was an overestimate.
Our prediction was _______ units lower than the actual overhead cost when 50,000 units were produced. Our prediction was an overestimate.
(e) Use the model to predict the overhead cost associated with the production of 60,000 units. (Round your answer to five decimal places.)
_____ thousands of dollars
The actual overhead cost was $11,600 when 60,000 units were produced (See the raw data above). Calculate the residual. (Round your answer to five decimal places.)
______thousands of dollars
Interpret the residual you calculated immediately above by mentally inserting the ABSOLUTE VALUE of the residual into the blanks below.
SELECT ONE
Our prediction was _______ units higher than the actual overhead cost when 60,000 units were produced. Our prediction was an overestimate.
When using this model to make predictions, we expect to be _______ units closer to the true value, on average.
When using this model to make predictions, we expect to be off by _______ units, on average.
Our prediction was _______ units higher than the actual overhead cost when 50,000 units were produced. Our prediction was an underestimate.
Our prediction was _______ units lower than the actual overhead cost when 60,000 units were produced. Our prediction was an underestimate.
Our prediction was _______ units lower than the actual overhead cost when 50,000 units were produced. Our prediction was an overestimate.

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