A company that sells personal care products sends a trained observer to watch potential buyers in their natural environments. This is an example of ________ research

Multinational corporations most often hedge their transaction exchange rate risk using currency ________

A) options B) futures C) spreads D) forward contracts

If you are interested in testing whether the median of a population is equal to a specific value, an appropriate test to use is:

A) the Mann-Whitney U test. B) the t-test. C) the Wilcoxon signed rank test. D) the Wilcoxon Matched-Pairs Signed Rank test.