Question: (b) Using the data in the tablewhich represents the index of productive growth in dollars for countries that are designated by the World Bank as

(b)Using the data in the tablewhich represents the index of productive growth in dollars for countries that are designated by the World Bank as middle-income,construct a95% confidence intervalfor the true mean economic dynamism of middle-income countries.Make sure to check the assumptions necessary to construct the interval.Interpret the interval.

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