Ononot — Let \{x1, \dots, xn\} be a dataset of positive real numbers.

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Descriptive Statisticshard

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Let $\{x_1, \dots, x_n\}$ be a dataset of positive real numbers. If we transform each observation by $y_i = \frac{1}{x_i}$ , the arithmetic mean of $Y$ is equal to which of the following measures of the original dataset $X$ ?