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Pooled variance is the combined variance of Sample 1 and Sample 2. Pooled variance is computed using the sample size and variance from each sample.

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Pooled variance is the combined variance of Sample 1 and Sample 2. Pooled variance is computed using the sample size and variance from each sample. How can a researcher DECREASE the pooled variance? A. Make sure to increase the level of confidence. B. Make sure to pull a large sample from the population. C. Make sure the sample represents the population. D. Make sure the sample is taken from a large population

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