# compute and interpret the range, and the mean deviation

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Using the age of people compute and interpret the range, the mean deviation, the variance, and the standard deviation of the ungrouped age data.

2. Group the data into classes with five-year class widths, compute and interpret the range, the variance, and the standard deviation of grouped data.

3. Explain the characteristics, uses, advantages, and disadvantages of each measure.

4. Using these calculations, apply Chebyshev's theorem and the empirical rule - identify the intervals that will include 68 percent, 95 percent, and 99 percent of the age data. Compute and interpret the quartiles and interquartile range for the data.

5. Use these values to construct and interpret a box plot. compute and explain the coefficient of skewness and the coefficient of variation.

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The expert computes and interprets the range, and the mean deviation.

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