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