4 - The Scientific Method Population all the cases in a...

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The Scientific Method Population all the cases in a group, from which samples may be  drawn Random Sample a sample that fairly represents a population because  each member has an equal chance of inclusion assures that it’s fair and equally represents the population Survey technique for ascertaining the self-reported attitudes or behaviors  of people usually by questioning a representative, random sample of them non- experimental---ask questions about their attitudes and  Bx. ..peoples self reporting preferences. ..margin of error shows  that although it’s close to accurate. ..it isn’t -use for a lot of things like variables that cannot be directly 
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4 - The Scientific Method Population all the cases in a...

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