3. Pond's Age-Defying Complex, a cream with alpha-hydroxy acid, advertises that it can reduce wrinkles and improve the skin. In a study published in Archives of Dermatology (June 1996), 33 women over age 40 used a cream with alpha-hydroxy acid for twenty-two weeks. At the end of the study period, 23 of the women exhibited skin improvement (as judged by a dermatologist). A.) What is the parameter being used in this problem?

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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3. Pond's Age-Defying Complex, a cream with
alpha-hydroxy acid, advertises that it can
reduce wrinkles and improve the skin. In a
study published in Archives of Dermatology
(June 1996), 33 women over age 40 used a
cream with alpha-hydroxy acid for twenty-two
weeks. At the end of the study period, 23 of the
women exhibited skin improvement (as judged
by a dermatologist).
A.) What is the parameter being used in this
problem?
Transcribed Image Text:3. Pond's Age-Defying Complex, a cream with alpha-hydroxy acid, advertises that it can reduce wrinkles and improve the skin. In a study published in Archives of Dermatology (June 1996), 33 women over age 40 used a cream with alpha-hydroxy acid for twenty-two weeks. At the end of the study period, 23 of the women exhibited skin improvement (as judged by a dermatologist). A.) What is the parameter being used in this problem?
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