overhead LO3: Period and product costs LO4: Variable, fixed, and mixed costs LO5: High-low
methodLO6: Income statement formats LO7: Decision-making cost classifications LO8: Least
squares regression (App 2A) Professional exam adapted
1 T/F E x
2 T/F E x
3 Conceptual M/C E
x
4 Single Part M/C H x
5 Single Part M/C H x
6 Single Part M/C H x
APP02A-Ref1 7-11 Multipart M/C M-H x
x
APP02A-Ref2 12-13 Multipart M/C M
x
APP02A-Ref3 14-15 Multipart M/C M
x
16 Problem H x x
17 Problem H x x
18 Problem H x
19 Problem H x
20 Problem H x
21 Problem H x
Appendix 02A
Least-Squares Regression Computations
,True / False Questions
1. The R2 (i.e., R-squared) is a measure of the goodness-of-fit in least-squares regression.
True False
2. When analyzing a mixed cost, you should always plot the data in a scattergraph, but it is
particularly important to check the data visually on a scattergraph when the R2 from a least squares
regression is low. A quick look at the scattergraph can reveal that there is little relation between the cost
and the activity or that the relation is something other than a simple straight line.
True False
Multiple Choice Questions
3. _________________ is a method of separating a mixed cost into its fixed and variable elements
by fitting a line to the data that minimizes the sum of the squared errors.
A. Account analysis
B. Scattergraph
C. High-low
, D. Least-square regression
4. Your boss would like you to estimate the fixed and variable components of a particular cost.
Actual data for this cost over four recent periods appear below.
Using the least-squares regression method, what is the cost formula for this cost?
A. Y = $0.00 + $7.55X
B. Y = $110.44 + $2.70X
C. Y = $103.38 + $3.00X
D. Y = $113.35 + $0.89X
5. The management of Bandle Corporation would like for you to analyze their repair costs, which
are listed below: