last pay period are given below: 1470 1470 1510 1520 1520 1550 1580 1620 1630 1710 1770 1780 1780 1780 1870 1890 1950 1970 1980 1990 2040 2160 2160 2280 2330 2340 2360 a. Use the percentile locator formula to determine the quartiles (do NOT use the intuitive approach). b. Determine the interquartile range. IQR- c. Describe the shape of the box plot in terms of skewness. Positively Skewed Negatively Skewed

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