To Determine the Size of a Sample,the Standard Deviation of the Population

question 5

True/False

To determine the size of a sample,the standard deviation of the population must be estimated by either taking a pilot survey or by approximating it based on knowledge of the population.

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Definitions:

Slimy Mucus

A thick, slippery secretion produced by mucus membranes to protect and lubricate surfaces.

Hagfish

Jawless marine fish known for their ability to produce a large amount of slime or mucus when disturbed.

Swim Bladder

Of many ray-finned fishes, a gas-filled organ that adjusts buoyancy.

Buoyancy

The upward force that supports objects in fluid, preventing them from sinking.