A recent PwC Supply Global Chain survey indicated that companies that acknowledge the supply chain as a strategic asset achieve 70% higher performance. The Leaders in the survey point to next generation supply chains, which are fast, flexible, and responsive. The results are based on a survey of 300 supply chain executives randomly selected across the globe. The collection of all the chain executives across the globe is

A. a stratified sample

B. a population

C. a simple random sample

D. a sample with random assignment

The correct option is B. a population.

Reason:

The population is the entirety of all the plausible sampling units related t the objective of the research. Thus, when the research objective is related to the chain executives, the complete collection of chain executives across the globe, out of which 300 are selected, is the population.

The explanation for incorrect options:

A. a stratified sample

Since the population of supply chains has not been grouped according to the properties (that is, homogenous groups); thus, this option is invalid.

C. a simple random sample

The 300 sampling units of supply chain executives are randomly selected across the globe. Hence, the sampling technique used is simple random sampling. But the collection of chin executives is not a sample. Thus, this is invalid.

D. a sample with random allocation

The sample is 300 supply chain executives who are randomly selected and not the collection of chain executives. Thus, it is invalid.