Question: Shown below are the top 20 companies in the computer industry by sales according to netvalley.com in a recent year. Compute the mean, median, P30,
Shown below are the top 20 companies in the computer industry by sales according to netvalley.com in a recent year. Compute the mean, median, P30, P60, P90, Q1, Q3, range, and interquartile range on these data.
Company Sales ($ millions)
IBM ..................91,134
Hewlett Packard .............86,696
Verizon Communications ........75,112
Dell ..................49,205
Microsoft ...............39,788
Intel .................38,826
Motorola ................36,843
Sprint .................34,680
Canon ................34,222
Ingram Micro ..............28,808
Cisco Systems .............24,801
EDS ................19,757
Xerox .................15,701
Computer Sciences ...........14,059
Apple .................13,931
Texas Instruments ............13,392
Oracle ................11,799
Sanmina-SCI ..............11,735
Arrow Electronics ............11,164
Sun Microsystems ............11,070
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