When testing for the differences between two percentages, the formula subtracts the differences between the two percentages and divides this difference by the standard error of the difference between two:
A) groups
B) averages
C) differences
D) percentages
E) people
D
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Net income divided by average common stockholders' equity is the calculation for the
a. ratio of net sales to assets. b. return on total assets. c. return on common stockholders' equity. d. earnings per share.
Solvency and liquidity differ in a company's ability
a. to show a profit. b. to remain in business over a long or short period of time. c. to collect cash from customers during the short- or long-term. d. to increase gross profit percentages over long or short periods of time.
In a computer-based information system, which of the following duties needs to be separated?
a. program coding from program operations b. program operations from program maintenance c. program maintenance from program coding d. all of the above duties should be separated
To ensure a survey is reliable and valid, which of the following should be avoided?
A) Clear instructions B) Short answers C) Leading questions D) Numbers and facts E) Short surveys