Annual sales, in millions of dollars, for 21 pharmaceutical companies follow.8408 1374 1872 8879 2459 11413608 14138 6452 1850 2818 135610498 7478 4019 4341 739 21273653 5794 8305a. Provide a five-number summary.b. Compute the lower and upper limits

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Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.