The Formula Used to Construct a 95% Confidence Interval for the Mean

question 33

Essay

The formula used to construct a 95% confidence interval for the mean $\mu$ of a normal population when the value of the standard deviation $\sigma$ is known is given by __________.

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Definitions:

Accommodation

In psychology, the process of adjusting existing cognitive structures in response to new experiences; in vision, the process by which the eye's lens changes shape to focus near or far objects on the retina.

Fovea

The central focal point in the retina, around which the eye’s cones cluster.

Iris

The colored part of the eye surrounding the pupil that controls the amount of light entering the eye by adjusting the size of the pupil.

Salvation Army

A Christian denominational church and an international charitable organization known for its thrift stores and charity work.