For a Random Sample of 23 European Countries, the Variance

question 1

Multiple Choice

For a random sample of 23 European countries, the variance on life expectancy was 7.3 years. What is the 95% confidence interval for the variance of life expectancy in all of Europe?

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Definitions:

Sympathetic

Relating to the part of the autonomic nervous system that typically prepares the body for action in threatening situations.

Endothermic Animals

Animals that are able to regulate their body temperature through internal mechanisms, regardless of the external environmental temperature.

Ectothermic Animals

Organisms that rely on external sources of heat to regulate their body temperature.

Vasoconstriction

The narrowing of blood vessels, which increases blood pressure by reducing the volume of space for blood flow.