A statistical z-score:
a. is effective only on normal distributions (bell curves).
b. converts data to a standard scale and distribution.
c. is a summarization technique that produces a single number describing each graph in a regular data table.
d. All of the choices are true of statistical z-scores.
b
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Answer the following statement true (T) or false (F)
Which of the following statements regarding net margin is incorrect?
A. Net margin refers to the average amount of each sales dollar remaining after all expenses are subtracted. B. The smaller the net margin the better. C. Net margin may be calculated in several ways. D. The amount of net margin is affected by a company's choices of accounting principles.
A manager can improve the economic value of an investment center by decreasing assets
Indicate whether the statement is true or false
Which of the following is NOT one of the predictive variables chosen by the profitability regression model used by La Quinta Inns?
A) the price of the inn B) median income levels C) the state population per inn D) the location of nearby colleges E) the number of inns in a region