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Determining appropriate sample sizes

Why is it important to determine an appropriate sample size and how can you determine what sample size you should use to ensure that your population mean (mu) is within your confidence interval?

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When you want to estimate the population mean (mu), especially when you want to find the confidence interval(CI), the sample size plays a very important role, according to a ...

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Solution answers questions about the importance of determining an appropriate sample size, and how one can determine this.