An executive's telephone log showed the lengths of 60 calls initiated during the last week of July 1 TELLI 6 1 1 4 4 3 1 232 3 10 03 13 1 2 2 6 527 2 1 1 3 2 1 29 1st quartile Median 3rd quartile Interquartile range 1 3 ▶ 3 1 2 1 1 1 ► 2 26 3 1 1 1 20 3 1 165 1 1 2 8 1 1 1325 Click here for the Excel Data File (a) Use Excel to find the quartiles. (Round your answers to 2 decimal places.) 12 2 18

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