Biology Forums - Study Force

Let's assume there are sophomores, juniors, and seniors in your marketing research class and we want to know if
  their average GPAs differ. What is the proper statistical test?
 a. t-test
  b. z-test
  c. Chi-square test
  d. Analysis of variance (ANOVA)
  e. None of the above.

Question 2

The meaning of products derived from the culture can be used to communicate something about the various groups to which the consumer belongs. In other words, they serve as a(n)
 a. consumption symbol.
  b. emblematic function.
  c. hedonic symbol.
  d. affective tag.
  e. idiosyncratic tag.

Question 3

A firm might be expected to initiate a specific research project to supplement the DSS in which of the following situations?
 a. Information is needed on projected inflation rates over the next five years.
  b. Information is needed on initial consumer response to the introduction of a new product.
  c. Information is needed to evaluate the past performance of one of the company's wholesale distributors.
  d. Information is needed to determine next year's goals for the company sales force.
  e. Information is needed to forecast demographic trends.

Question 4

When a computed z-value (for a test for differences between two percentages), say 4.51, is larger than the standard
  z-value, say 1.96, then this amounts to
 a. support for the null hypothesis; the two percentages are different.
  b. no support for the null hypothesis; the two percentages are not different.
  c. support for the null hypothesis; the two percentages is not different.
  d. no support for the null hypothesis; the two percentages are different.
  e. None of the above.

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