The Average Lengths L of Cellular Phone Calls in Minutes

question 57

Multiple Choice

The average lengths L of cellular phone calls in minutes from 1999 to 2004 are shown in the table below. Use the regression feature of a graphing utility to find a linear model for the data. Let t represent the year, with t = 9 corresponding to 1999. Use the model to predict the average lengths of cellular phone calls for the year 2006. Round your answer to two decimal places.

• A) 6.54 minutes
• B) 1.64 minutes
• C) 2.27 minutes
• D) 4.27 minutes
• E) 3.27 minutes

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Definitions:

Community Property

A type of shared asset ownership usually among married couples, in which properties obtained while married are equally held by each partner.

Tenancy In Common

A form of co-ownership where each tenant holds an undivided interest in the property, with no right of survivorship.

Tenancy By The Entirety

A form of joint property ownership that is available only to married couples, where each owns the entire property and neither can dispose of it without the consent of the other.

Tenancy In Common

A form of co-ownership where each tenant has an undivided interest in the property, and there are no survivorship rights.