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Diana55 Diana55
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7 years ago
Imagine that a sample size of 300 provides a confidence interval of +/- 4%. If you wanted to change the confidence interval to +/- 2% you would need to ________ the sample size.
A) reduce
B) increase
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Advertising Research: Theory and Practice

Advertising Research: Theory and Practice


Edition: 2nd
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EllingtonEllington
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7 years ago
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Diana55 Author
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#2
7 years ago
Absolutely correct, just confirmed!!!
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#3
7 years ago
Let me know if you need anything else
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