A Random Sample of Size N Has Been Selected from a Normally

question 120

Multiple Choice

A random sample of size n has been selected from a normally distributed population whose standard deviation is s. In estimating an interval for the population mean, the t-distribution should be used instead of the z-test if:

• A)n ≥ 30 and  is known.
• B)  is unknown and estimated by s, and the population is normal.
• C)Population is normal and  is known.
• D)None of these choices are correct.

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Definitions:

Discrepancy Production

The generation of a difference or inconsistency between actual performances or outcomes and the expected or desired ones.

Discrepancy Induction

A method used to motivate change by highlighting the difference between current outcomes and desired goals.

Discrepancy Function

The difference between existing and desired conditions, used to identify gaps in performance or outcomes that need addressing.

Observational Learning

Learning that occurs through observing the behavior of others and the outcomes of those behaviors.