If the Standard Deviation, σ Is Known the Z-Distribution Values

question 80

Multiple Choice

If the standard deviation, σ is known the z-distribution values may not be used to determine interval estimates for the population mean when

• A)n<30
• B)the distribution is not normal
• C)the distribution is skewed
• D)n is big
• E)n is small (<30)and the distribution is not normal

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Definitions:

Cognitive Delay

A noticeable lag in a person's cognitive development when compared to statistical norms or societal expectations.

Behavioral Disruption

Refers to significant changes in normal behavior patterns that can negatively affect an individual's daily functioning.

Immersion Approach

An educational method, especially in language learning, where students are taught in a language that they are learning, thereby being 'immersed' in it.

Native Language

The first language a person learns at birth or within the early years of life. It is often the language one is most proficient in and uses with the highest level of comfort.