In the case when and
are unknown and can be assumed equal,we can calculate a pooled estimate of the population variance.
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Q1: When comparing two population means,their hypothesized difference
Q2: The difference between the two sample means
Q4: We convert the estimate Q6: The necessary condition for a matched-pairs sample Q7: If the underlying populations cannot be assumed Q8: The choice of an appropriate test for Q9: The margin of error in the confidence Q10: What formula is used to calculate the Q11: When calculating the standard error of Q19: We always deal with matched-pairs sampling if
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