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Given the following hypotheses, is a one-tailed or two-tailed test more appropriate?
a. H0: m = 5, H1: m ≠ 5
b. H0: m = 0, H1: m > 0
c. H0: m = 100, H1: m
Higher-pitched
Describes sounds that have a higher frequency, perceived as sharper or squeakier than lower-pitched sounds.
Second-hand Smoke
Smoke that is exhaled by a smoker or emerges from the end of a burning cigarette, posing health risks to non-smokers.
Immunizations
The process or act of making individuals immune or resistant to an infectious disease, typically by the administration of a vaccine.
Ear Infection
An infection of the inner, middle, or outer ear, often causing pain, fluid buildup, and sometimes temporary hearing loss.
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