State the Properties of Student S T-Distribution
-Suppose A $99 \%$

question 55

Multiple Choice

State the Properties of Student s t-Distribution
-Suppose a $99 \%$ confidence interval for $\mu$ turns out to be $( 1000,2100 )$ . If this interval was based on a sample of size $n = 26$ , explain what assumptions are necessary for this interval to be valid.

• A) The population must have an approximately normal distribution.
• B) The sampling distribution of the sample mean must have a normal distribution.
• C) The population of salaries must have an approximate \(t\) distribution.
• D) The sampling distribution must be biased with 25 degrees of freedom.

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Definitions:

Parasympathetic Nervous System

The division of the autonomic nervous system that conserves energy and restores the body to a state of calm.

Fight-Or-Flight

A physiological response to perceived threats, preparing the body to fight or flee.

Rest And Digest

Describes the activity of the parasympathetic nervous system, promoting a state of calm and supporting digestive and recuperative processes.

Memory

The faculty by which the mind stores and remembers information.