General Mills conducted research on a "new, improved" version of their cereal, TRIX. Consumer taste tests showed the new version was preferred over the old TRIX, but the new version was a failure when it was introduced. It was noted that the research was flawed in that the new version of TRIX was compared with the old TRIX, a choice that consumers in the marketplace would not have. The correct research should have compared the new TRIX with competitor brands. This example illustrates:

Alarge university wanted to study the relationship between completing an internship during college and students' future earning potential. prom the same graduating class, they selected a random sample of 80 students who completed an internship and 100 students who did not complete an internship and examined their salaries five years after graduation. they found that there was a statistically higher mean salary for the internship group than for the noninternship group. which of the following interpretations is the most appropriate? a. there could be a confounding variable, such as student major, that explains the difference in mean salary between the internship and no internship groups.b. we cannot infer anything from these data since the distribution of salaries is likely right skewed.c. you cannot draw any valid conclusions because the sample sizes are different.d. more students should complete internships because having an internship produces a higher salary.

All of the following led to the collapse of the soviet economy except a. a lack of worker incentives. c. inadequate supply of consumer goods. b. a reliance on production quotas. d. the introduction of a market economy.

Right medical introduced a new implant that carries a five-year warranty against manufacturer’s defects. based on industry experience with similar product introductions, warranty costs are expected to approximate 2% of sales. sales were $8 million and actual warranty expenditures were $42,750 for the first year of selling the product. what amount (if any) should right report as a liability at the end of the year?