To Select the Correct Studentʹs T-Distribution Requires Knowing the Degrees $\mathrm { n } - 1$

question 70

Multiple Choice

To select the correct Studentʹs t-distribution requires knowing the degrees of freedom. How many degrees offreedom are there for a sample of size n?

• A) \(\mathrm { n } - 1\)
• B) \(n\)
• C) \(\mathrm { n } + 1\)
• D) \(\frac { \bar { x } - \mu } { s / \sqrt { n } }\)

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Definitions:

Biconditional

A logical relation between statements where both are either simultaneously true or simultaneously false.

Tautology

A statement that is true by virtue of its logical form alone, and is redundant or self-evident.

Main Component

The most important or central part of something which is essential to its operation or understanding.

Truth Table

A mathematical table used in logic to compute the functional values of logical expressions on each of their functional arguments.