Answered: 5. Critical Thinking Numbers are often…

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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5. Critical Thinking Numbers are often assigned to data that are categorical in nature.
(a) Consider these number assignments for category items describing electronic ways of
expressing personal opinions:
1 = Twitter; 2 = e-mail; 3 = text message; 4 = Facebook; 5 = blog
Are these numerical assignments at the ordinal data level or higher?
Explain.
(b) Consider these number assignments for category items describing usefulness of customer
service:
1 = not helpful; 2 = somewhat helpful; 3 = very helpful;4 = extremely helpful
Are these numerical assignments at the ordinal data level? Explain. What
about at the interval level or higher? Explain.

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