A company is deciding between 2 foreign firms to provide its call center services.A factor-rating method is used.Factors are rated on a scale of 1-10,with 10 being the best score.
A: If the factors are weighted equally (respective weights of .3333),which firm is preferred?
B: Suppose a consultant recommended that Factor 2 be twice as important as Factor 1,while Factor 3 should be four times as important as Factor 1.Which firm is best now using a weighted method? (Round your weights to the nearest four decimal places.)
Definitions:
Stratified Random Sample
A sampling method where the population is divided into subgroups (strata) that share similar characteristics, and random samples are then taken from each subgroup to ensure representation across the population's diversity.
Systematic Random Sample
A sampling method where elements are selected from an ordered sampling frame using a starting point and a fixed periodic interval.
Subset
A set containing some or all elements of another set, without any additional elements.
Frame
In survey research, a frame is a list or representation of all the elements in the population from which a sample is drawn.
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