One goal of stratified sampling plans is to decrease the amount of variability in each stratum. This can be accomplished by
a. making the strata internally heterogeneous.
b. increasing the amount of sampling error.
c. decreasing the magnitude of the overall sample mean.
d. making the strata internally homogeneous.
e. using a 99 confidence level instead of a 95 confidence level.
Question 2Among the things that marketers have learned about SMM is:
a. it is essentially free.
b. it works well as a single channel of communications.
c. it works best when used in an ad hoc fashion.
d. None of these is correct.
Question 3Explain what ambush marketing is, and discuss the ethical implications of this practice.
Question 4The differences between a cluster sample and a stratified sample are that in a
a. cluster sample, the parent population is divided into mutually exclusive and exhaustive subsets.
b. stratified sample, the parent population is divided into mutually exclusive and exhaustive subsets.
c. stratified sample, a simple random sample of elements is chosen independently from each group or subset, while in a cluster sample, a random sample of the subsets is selected.
d. cluster sample, a simple random sample of elements is chosen independently from each group or subset, while in a stratified sample, a random sample of the subsets is selected.
e. None of these are correct.
Question 5Marketers find that communicating with people on social networks:
a. is similar to advertising in other channels.
b. requires communications that are responsive and trustworthy.
c. is often constrained by the rules of the social network.
d. All of these are correct.
Question 6Explain the practice of sponsorship marketing, and five factors accounting for its growth.
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