The variance of a sample of 169 observations equals 576 . The standard deviation of the sample equals
a. 13
b. 24
c. 576
d. 28,461
B
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Indicate whether the statement is true or false
Operating expense percentage is determined by the following process:
a. Divide departmental net sales by departmental direct expenses. b. Divide departmental cost of goods sold by departmental net sales. c. Divide departmental direct expenses by departmental indirect expenses. d. Divide departmental operating expenses by departmental net sales. e. Divide departmental contribution margin by departmental expenses.
Multitasking leads to high-quality work.
a. True b. False
The weighted average cost of capital of a firm represents the:
A. minimum rate of return a firm must earn on average-risk investments to maintain its current value. B. maximum rate of return a firm can expect to earn on its investments. C. maximum interest rate a firm should pay on the debt it uses. D. minimum dividend yield a firm must pay to its preferred stockholders. E. required rate of return that should be used to evaluate capital budgeting projects that have above-average risk.