Abusiness major wants to determine whether the variation in advertising costs of hair salons is different from the variation in advertising costs of nail salons. he surveys several businesses and finds the standard deviation in monthly advertising costs is $23 for 12 hair salons, and $43 for 8 nail salons. what is the test value for this hypothesis test? test value: round your answer to two decimal places. at the 0.05 level of significance, what is the critical value? critical value: round your answer to two decimal place

Identify the accounting assumption or principle that is described below. (a) select the accounting assumption or principle is the rationale for why plant assets are not reported at liquidation value. (note: do not use the historical cost principle.) (b) select the accounting assumption or principle indicates that personal and business record-keeping should be separately maintained. (c) select the accounting assumption or principle assumes that the dollar is the "measuring stick" used to report on financial performance. (d) select the accounting assumption or principle separates financial information into time periods for reporting purposes. (e) select the accounting assumption or principle measurement basis used when a reliable estimate of fair value is not available. (f) select the accounting assumption or principle dictates that companies should disclose all circumstances and events that make a difference to financial statement users.

What would you do as ceo to support the goals of japan airlines during the challenging economics that airlines face?

If an investment has 35 percent more nondiversifiable risk than the market portfolio, its beta will be: