The 90% Confidence Interval Estimate of a Population Standard Deviation

question 24

Multiple Choice

The 90% confidence interval estimate of a population standard deviation when a sample variance of 50 is obtained from a sample of 15 items is

• A) 26.8 to 124.356.
• B) 5.177 to 11.152.
• C) 5.436 to 10.321.
• D) 29.555 to 106.529.

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Definitions:

Clumping

The aggregation or coming together of particles or cells, often observed in blood cells in response to certain conditions or agents.

Globulin

A type of protein in blood plasma that plays roles in immune response, blood clotting, and transporting substances.

Plasma Protein

Proteins found in blood plasma that perform various functions, including clotting, defence against pathogens, and transport of substances.

Immunity

The body's ability to resist or fight off infection, disease, or other unwanted biological invasion.