Evaluate the Following Generalization(s), Identifying Sample, Population, Attribute of Interest

Essay

Evaluate the following generalization(s), identifying sample, population, attribute of interest, and the extent to which the claims involved are knowable. Consider carefully the size and diversification of the sample and the extent to which the population differs or may differ from the sample; remember, what's important is that the sample be representative.
Parker recommends the latest Larry McMurtry novel to Moore. Moore decides not to bother, since every other novel Parker has recommended turned out to be a dud, in Moore's opinion.