The Estimated Number of Computers (In Millions) Connected to the Internet

question 99

Multiple Choice

The estimated number of computers (in millions) connected to the Internet in Europe from 1998 through 2002 is summarized in the accompanying table: (Here, x = 0 corresponds to the beginning of 1998.)
Find an equation of the least-squares line for these data. Use the result to estimate the projected number of computers connected to the Internet in Europe at the beginning of 2004, assuming the trend continues.

• A) y = 12.1x + 21.06; 94.030 million computers
• B) y = 12.2x + 20.94; 94.140 million computers
• C) y = 12.1x + 21.06; 93.660 million computers
• D) y = 12.2x + 20.94; 93.910 million computers

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Definitions:

Craniotomy

A surgical operation where a bone flap is temporarily removed from the skull to access the brain.

Encephalotomy

A surgical procedure involving an incision into the brain.

Craniectomy

A surgical operation in which a portion of the skull is removed to relieve pressure on the brain.

Temperature

A measure of the warmth or coldness of an environment or body, indicative of the degree of heat energy present.