A Zumba instructor remembers the data given in the following table, which shows the recommended maximum exercise

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A Zumba instructor remembers the data given in the following table, which shows the recommended maximum exercise heart rates for individuals of the given ages.

Age (x years) 20 40 60

Maximum heart rate 170 153 136

(y beats per minute)

a. Find the linear correlation coefficient for the data.

b. What is the significance of the value found in part a?

c. Find the equation of the least-squares line.

d. Use the equation from part c to predict the maximum exercise heart rate for a person who is 72.

e. Is the procedure in part d an example of interpolation or extrapolation?

Related Book For answer-question

Bank Management and Financial Services

ISBN: 978-0078034671

9th edition

Authors: Peter Rose, Sylvia Hudgins

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Posted Date: Feb 09, 2021 02:12 AM

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A Zumba instructor remembers the data given in the following table, which shows the recommended maximum exercise

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Bank Management and Financial Services

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