A study of the effects of skin tone (light, medium, and dark) on the severity of facial

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A study of the effects of skin tone (light, medium, and dark) on the severity of facial wrinkles in middle age might be of interest to cosmetic surgeons.

a. What would the independent variable be in this study?

b. What would the dependent variable be in this study?

c. How many levels would the independent variable have?

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Essentials Of Statistics For The Behavioral Sciences

ISBN: 9781464107771

3rd Edition

Authors: Susan A. Nolan

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Question Posted: Apr 20, 2018 07:19 AM

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A study of the effects of skin tone (light, medium, and dark) on the severity of facial

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a Skin tone b S...View the full answer

Essentials Of Statistics For The Behavioral Sciences

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