An important application of regression analysis in accounting is in the estimation of cost. By collecting data on volume and cost and using the least squares method to develop an estimated regression equation relating volume and cost, an accountant can estimate the cost associated with a particular manufacturing volume. Consider the following sample of production volumes and total cost data for a manufacturing operation. Production Volume (units) Total Cost ($) 400 4000 500 4900 600 5700 700 6400 750 7200 800 8100 The data on the production volume a and total cost y for particular manufacturing operation were used to develop the estimated regression equation ŷ = 36.84 + 9.62a a. The company's production schedule shows that 650 units must be produced next month. Predict the total cost for next month. y* = (to 2 decimals) b. Develop a 95% prediction interval for the total cost for next month. (to 2 decimals) t-value (to 3 decimals) Spred (to 2 decimals)
An important application of regression analysis in accounting is in the estimation of cost. By collecting data on volume and cost and using the least squares method to develop an estimated regression equation relating volume and cost, an accountant can estimate the cost associated with a particular manufacturing volume. Consider the following sample of production volumes and total cost data for a manufacturing operation. Production Volume (units) Total Cost ($) 400 4000 500 4900 600 5700 700 6400 750 7200 800 8100 The data on the production volume a and total cost y for particular manufacturing operation were used to develop the estimated regression equation ŷ = 36.84 + 9.62a a. The company's production schedule shows that 650 units must be produced next month. Predict the total cost for next month. y* = (to 2 decimals) b. Develop a 95% prediction interval for the total cost for next month. (to 2 decimals) t-value (to 3 decimals) Spred (to 2 decimals)
Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter2: Matrices
Section2.CR: Review Exercises
Problem 89CR: Cellular Phone Subscribers The table shows the numbers of cellular phone subscribers y in millions...
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