Multiple Choice
An investigator who wishes to study the attitudes of people in Illinois identifies 1,000 people in Illinois, taking care that the percentages of male and female, black and white, young and old are the same in the sample as in the total population of the state. What kind of sample is the investigator trying to obtain?
A) an independent sample
B) a convenience sample
C) a random sample
D) a representative sample
Correct Answer:
Verified
Correct Answer:
Verified
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