The Letter α in the Formula for Constructing a Confidence

question 124

Multiple Choice

The letter α in the formula for constructing a confidence interval estimate of the population mean is:

• A)the level of confidence.
• B)the probability that a particular confidence interval will contain the population mean.
• C)the area in the lower tail of the sampling distribution of the sample mean.
• D)None of these choices.

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Definitions:

Optical Activity

The ability of a molecule to rotate plane-polarized light, a property used to distinguish between enantiomers in stereochemistry.

Enantiomers

Molecules that are mirror images of each other but cannot be superimposed upon one another, similar to left and right hands.

Polarimeter Tube

A component of a polarimeter used to measure the rotation of polarized light as it passes through an optically active substance.

Polarized Light

Light waves in which the vibrations occur in a single plane.