Question: Dependent dependent experimental and control A new sunscreen has been developed that is supposed to be more effective at preventing sunburn. 30 participants sprey one

Dependent dependent experimental and control

A new sunscreen has been developed that is supposed to be more effective at preventing sunburn. 30 participants sprey one arm with the new formule, and spray the other arm with the leading formule. After 4 hours in the sun, their skin is evaluated for any redness

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