Under what circumstances can a very small treatment effect be statistically significant?a. With a large sample and a large standard deviationb. With a large sample and a small standard deviationc. With a small sample and a large standard deviationd. With a small sample and a small standard deviation

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Under what circumstances can a very small treatment effect be statistically significant?
a. With a large sample and a large standard deviation
b. With a large sample and a small standard deviation
c. With a small sample and a large standard deviation
d. With a small sample and a small standard deviation

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