If We Know the Sample Variance, Can We Use That

question 43

Multiple Choice

If we know the sample variance, can we use that information to find the sample standard deviation?

• A)Yes, simply take the square root of the variance to find the standard deviation.
• B)Yes, simply square the variance to find the standard deviation.
• C)Yes, simply divide the variance by N to find the standard deviation.
• D)No, it is not possible.

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Definitions:

Barium

A chemical element with symbol Ba and atomic number 56, used in medical imaging to improve the contrast of X-ray photographs.

Fluorescence

The emission of light by a substance that has absorbed light or other electromagnetic radiation, often seen in minerals, plant materials, and synthetic compounds.

Prone

Lying flat, especially face-down, or having a tendency or inclination towards something.

Supine

A position of lying on the back, face or front side up.