Question 1Unnithan, Houser, and Fernhall (2006) were interested in whether playing the gameDance Dance Revolution (DDR) affected the heart rate of overweight andnonoverweight adolescents differently. A group of 22 adolescents, 10 classified asoverweight and 12 as not overweight, played DDR for 12 minutes, during which timethe researchers measured each participant's heart rate. The dependent variable inthis study is:heart rate.minutes.Dance Dance Revolution.weight group.

Unnithan, Houser, and Fernhall (2006) were interested in whether playing the game Dance Dance…

Answered: the researchers measured each…

Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)

6th Edition

ISBN:9781337111348

Author:Bruce Crauder, Benny Evans, Alan Noell

Publisher:Bruce Crauder, Benny Evans, Alan Noell

Chapter5: A Survey Of Other Common Functions

Section5.3: Modeling Data With Power Functions

Problem 6E: Urban Travel Times Population of cities and driving times are related, as shown in the accompanying...

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Urban Travel Times Population of cities and driving times are related, as shown in the accompanying table, which shows the 1960 population N, in thousands, for several cities, together with the average time T, in minutes, sent by residents driving to work. City Population N Driving time T Los Angeles 6489 16.8 Pittsburgh 1804 12.6 Washington 1808 14.3 Hutchinson 38 6.1 Nashville 347 10.8 Tallahassee 48 7.3 An analysis of these data, along with data from 17 other cities in the United States and Canada, led to a power model of average driving time as a function of population. a Construct a power model of driving time in minutes as a function of population measured in thousands b Is average driving time in Pittsburgh more or less than would be expected from its population? c If you wish to move to a smaller city to reduce your average driving time to work by 25, how much smaller should the city be?

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the researchers measured each participant's heart rate. The dependent variable in this study is: