Examlex
If there are seven classes in a frequency distribution, then the fourth class will always contain the median.
Stomach Ulcers
Open sores that develop on the inner lining of the stomach, upper small intestine, or esophagus, often causing pain and discomfort.
Heart Attacks
Medical emergencies characterized by the interruption of blood flow to a part of the heart, causing heart cells to die, also known as myocardial infarction.
AIDS
Acquired Immune Deficiency Syndrome, a life-threatening condition caused by the human immunodeficiency virus (HIV), which severely weakens the immune system.
Malaria
A serious and sometimes life-threatening disease caused by parasites transmitted to humans through the bites of infected mosquitoes.
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