4. A researcher suggests that small doses of hyaluronic acid (HA) will promote the uptake of water in human skin, thus reducing symptoms of dryness and dehydration. He suggests that HA binds to water and prevents it from evaporating off of the skin. The researcher creates a skin cream formulated with HA and compares the skin of 100 people before and after use of the cream. Formulate one null (H) and one alternative (H₁) hypothesis. Describe the data you would expect to see that would support the null hypothesis.
4. A researcher suggests that small doses of hyaluronic acid (HA) will promote the uptake of water in human skin, thus reducing symptoms of dryness and dehydration. He suggests that HA binds to water and prevents it from evaporating off of the skin. The researcher creates a skin cream formulated with HA and compares the skin of 100 people before and after use of the cream. Formulate one null (H) and one alternative (H₁) hypothesis. Describe the data you would expect to see that would support the null hypothesis.
Anatomy & Physiology
1st Edition
ISBN:9781938168130
Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble
Chapter18: The Cardiovascular System: Blood
Section: Chapter Questions
Problem 1ILQ: Visit this site (http://openstaxcollege.org/l/normallevels) for a list of normal levels established...
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4. A researcher suggests that small doses of hyaluronic acid (HA) will promote the uptake of water in
human skin, thus reducing symptoms of dryness and dehydration. He suggests that HA binds to water
and prevents it from evaporating off of the skin. The researcher creates a skin cream formulated with
HA and compares the skin of 100 people before and after use of the cream. Formulate one null (H) and
one alternative (H₁) hypothesis. Describe the data you would expect to see that would support the null
hypothesis.
stress
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