When We Are Choosing a Random Sample and We Do

question 87

Multiple Choice

When we are choosing a random sample and we do not place chosen units back into the population, we are

• A) sampling with replacement.
• B) sampling without replacement.
• C) using a systematic sample.
• D) using a voluntary response sample.

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Definitions:

Red Bone Marrow

The soft, spongy tissue inside bones that produces blood cells.

Hydrostatic Skeleton

Of soft-bodied invertebrates, a fluid-filled chamber that contractile cells exert force on.

Sea Anemones

Marine, predatory animals of the order Actiniaria; they are notable for their colorful appearance and a body structure similar to a flower.

Anal Sphincter

A ring of muscle surrounding the anus that helps control the passage of feces out of the body by contracting and relaxing.