The T Statistic Is Calculated by Assuming That All of the Following

question 21

Multiple Choice

The t statistic is calculated by assuming that all of the following exists EXCEPT:

• A) the variable is normally distributed.
• B) the mean is known.
• C) the population variance is estimated from the sample.
• D) the sample size is large.
• E) C and D

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Definitions:

Grammatical Errors

Mistakes made in the structure or use of language according to the rules of grammar.

Receptive Vocabularies

The set of words a person can comprehend and understand when listening or reading, as opposed to the words they can actively use.

Productive Vocabularies

The set of words a person can actively use in speech or writing, as opposed to words they can only recognize when heard or read.

Under-extension

A cognitive error typical in early child language development where a child inappropriately restricts the use of a word to only one object or situation.