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A Bloomberg 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
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A Bloomberg 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. Convenience sampling
b. Stratified sampling
c. Judgment sampling
d. Simple random sampling
e. Systematic sampling

User Deolu A
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Answer:

b. Stratified sampling

Step-by-step explanation:

Stratified sampling is a method of sampling that divides the total population into tiers, or strata, and then randomly selects individuals from each tier. Since members of the same tier have similar characteristics, this method is useful to better represent the totality of the population. In this situation, the researcher selects a company from each 10-companies tier within the 500 largest industrial corporations; therefore, stratified sampling was used.

User Senia
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