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StatisticsQ&A LibraryIn each of Problems, we have provided a scenario for a confidence interval. Decide, in each case, whether the appropriate method for obtaining the confidence interval is the z-interval procedure, the t-interval procedure, or neither. A random sample of size 50 is taken from a population. A boxplot of the sample data reveals no outliers. The population standard deviation is known.Question

In each of Problems, we have provided a scenario for a confidence interval. Decide, in each case, whether the appropriate method for obtaining the confidence interval is the z-interval procedure, the t-interval procedure, or neither.

A random sample of size 50 is taken from a population. A boxplot of the sample data reveals no outliers. The population standard deviation is known.

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