The Standard Deviation of a Population Is Estimated to Be

question 30

Essay

The standard deviation of a population is estimated to be 295 units. To estimate the population mean to within 46 units with 95% reliability, what size sample should be selected?

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Definitions:

Antigens

Foreign substances or toxins that induce an immune response in the body, especially the production of antibodies.

Diverticulosis

The condition of having diverticula, which are small bulging pouches, in the intestinal wall, that may or may not cause discomfort or other symptoms.

Bulging Pouches

Outwardly protruding sacs or bags, often referring to diverticula in the digestive tract that can lead to diverticulosis if inflamed.

GI Tract

Short for gastrointestinal tract, it is the combined system of organs that process food and extracts nutrients from it, beginning with the mouth and extending through the esophagus, stomach, intestines, and ending with the rectum.