The primary advantage of area sampling plans is:
a. area sampling data is easy to tabulate and analyze.
b. they don't require probability-based methods of element selection.
c. results can be generalized from one area to another without loss of statistical efficiency.
d. they don't require a list of elements from the population of interest.
e. the results are more understandable for the general public than other, more complex plans.
Question 2
A researcher is seeking a representative sample (of size n=50) of Fortune magazine's list of the 500 largest industrial corporations. She randomly decides to begin at company number 4 and then select every 10th company until 50 have been selected. The researcher is using what type of sampling plan?
a. Simple random sampling
b. Judgment sampling
c. Systematic sampling
d. Stratified sampling
e. Convenience sampling
Primary production is positively correlated with the evapotranspiration rate.
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