Which Type of Error Is Used to Compute the Confidence

question 38

Multiple Choice

Which type of error is used to compute the confidence interval for two independent samples selected from at least one population with an unknown variance?

• A) standard error
• B) estimated standard error
• C) estimated standard error for the difference
• D) estimated standard error for the difference scores

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Definitions:

Adaptation

(1) An evolutionary modification that improves an organism’s chances of survival and reproductive success. (2) A decline in the response of a receptor subjected to repeated or prolonged stimulation.

Ecosystem

A biological community of interacting organisms and their physical environment.

Individual Organism

A single, living entity that can function on its own, performing all necessary activities of life.

Orders

In biological classification, orders are a rank used to categorize families of organisms, providing a higher level of organization than families but lower than classes.