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jabjab jabjab
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9 years ago
Two independent samples of sizes n1 = 50 and n2 = 50 are randomly selected from two populations to test the difference between the population means,   . The sampling distribution of the sample mean difference,   is:
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Valued Member
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9 years ago
Approximately Normal. This is because as the n increases it is easier to approximate that it is a normal distribution. In both cases, n is high enough to approximate normal.
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