An investment produced annual rates of return of 4%, 8%, 14% and 6%, respectively, over the past four years. What is the standard deviation of these returns?

Some marketing experts believe that the overuse of coupons can damage a brand's image, while the use of which of the following can actually enhance a brand's image?

A) contests and sweepstakes B) bonus packs C) sampling D) premiums

Why did Japanese auto makers accept the voluntary export restraint program that limited the number of cars that could be exported to the United States in the early 1980s? What role has domestic politics played in Toyota's U.S. strategy?

What will be an ideal response?