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In a sample for a survey, each person has the same chance of being chosen.What kind of sample is it?A. Population B. Biased C. RandomPlease AnswerA sample in which every person, object or event has an equal chance of being selected is calledA sampleB populationC biased sampleD random sample

Sagot :

Question 1:

When each person has the same chance of being chosen in a sample survey then such a sample is called a "Random" sample.

A random sample is unbiased since everyone has the same probability of being selected.

Therefore, the correct answer is option C

Question 2:

A sample in which every person, object or event has an equal chance of being selected is called a "Random sample"

A random sample ensures unbiasedness meaning that each of the person/object/event has the same probability of being selected.

Therefore, the correct answer is option D