Answered: The article “Can We Really Walk…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

The article “Can We Really Walk Straight?” (Amer. J.
of Physical Anthropology, 1992: 19–27) reported on an
experiment in which each of 20 healthy men was asked
to walk as straight as possible to a target 60 m away at
normal speed. Consider the following observations on
cadence (number of strides per second):
.95 .85 .92 .95 .93 .86 1.00 .92 .85 .81
.78 .93 .93 1.05 .93 1.06 1.06 .96 .81 .96
Use the methods developed in this chapter to summarize
the data; include an interpretation or discussion wherever
appropriate. [Note: The author of the article used a rather
sophisticated statistical analysis to conclude that people
cannot walk in a straight line and suggested several
explanations for this.]

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