A Cell Phone's SAR (Specific Absorption Rate) Is a Measure

question 68

Multiple Choice

A cell phone's SAR (Specific Absorption Rate) is a measure of the amount of radio frequency (RF) energy absorbed by the body when using a cell phone.The rate can vary by the distance of the phone from the ear.Below is a table showing SAR (y) and distance (x) for a sample of five 10 minute calls. The slope of the least squares line is 59.6.The intercept is -12.Compute the "total variation" (SST) .

• A)432
• B)202
• C)316
• D)520
• E)164

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Definitions:

Parasitize

To live as a parasite in or on another organism, deriving nutrients at the host's expense without offering any beneficial return.

Diploid

Referring to cells that contain two complete sets of chromosomes, one from each parent, characteristic of the body's somatic cells.

Tetraploid

An organism or cell having four complete sets of chromosomes, a condition that can result from the doubling of chromosomal number.

Polyploid

An organism or cell having more than two paired (homologous) sets of chromosomes, often resulting in biological diversity or adaptation.