Examlex
The most significant factor in calculating sample size (n)is the size of the population (N).For example,if you calculated that you needed a sample size of 300 in order to have an accurate sample for your hometown,it would take at least 10 times this amount,or about 3,000,in order to have an accurate sample representing the entire United States.
HIV Infection
A virus that attacks the immune system, leading to acquired immunodeficiency syndrome (AIDS) if not treated.
UV Light
Ultraviolet light, a type of electromagnetic radiation with wavelengths shorter than visible light, can damage skin and eyes.
Chemotherapy
A type of cancer treatment using one or more anti-cancer drugs as part of a standardized chemotherapy regimen to kill or slow the growth of cancer cells.
Fatigue
A state of extreme tiredness or exhaustion, often resulting from mental or physical exertion or illness.
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