The direct cause of market fragmentation is the large number of new technological products introduced annually

The two types of statistical inferences often used by marketing researchers are:

a) frequency distributions and standard deviations. b) regression analyses and measures of variability. c) parameter estimates and hypothesis tests. d) descriptive analyses and predictive analyses.

All the following statements concerning a Roth 401(k) plan are true EXCEPT

A) After-tax dollars are used to fund the plan. B) Investment earnings accumulate on a tax-free basis. C) Employees at all income levels may contribute to the plan, but annual contributions are limited. D) Qualified distributions at retirement are fully taxable.