The Type of Fish Represented by the Most Living Species

question 4

Multiple Choice

The type of fish represented by the most living species on earth today are the:

• A)sharks
• B)bony fishes
• C)rays and skates
• D)coelacanths

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Definitions:

Stratified Random Sampling

A statistical sampling method that divides the population into smaller groups, or strata, and randomly samples from each group to ensure representation across key variables.

Sampling Bias

A systematic error that occurs when a sample is not representative of the population from which it is drawn, leading to skewed and unreliable results.

Sampling Error

The error caused by observing a sample instead of the whole population, leading to a difference between the sample statistic and the population parameter.

Population Parameters

Quantitative characteristics of a population, such as mean or standard deviation, derived from measurements of the individuals within the population.