The Following Output from MINITAB Presents the Results of a Hypothesis

question 31

Multiple Choice

The following output from MINITAB presents the results of a hypothesis test for a population mean $\mu$ .
Test of mu $= 45$ vs. not $= 45$
$\begin{array}{lrrccrl}\mathrm{N} & \text { Mean } & \text { StDev } & \text { SE Mean } & 95 \% \mathrm{CI} & \mathrm{T} & \mathrm{P} \\57 & 41.69 & 11.961865 & 1.584388 & (38.516105,44.863895) & -2.089135 & 0.0412\end{array}$

How many degrees of freedom are there?

• A) 58
• B) 45
• C) 56
• D) 57

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Definitions:

Temporal Lobe

A region of the brain located beneath the temples, involved in processing sensory input into derived meanings for the appropriate retention of visual memory, language comprehension, and emotion association.

Frontal Lobe

The part of the brain located in the front of the skull, responsible for executive functions, decision making, and controlling voluntary movements.

Parietal Lobe

A region of the brain located behind the frontal lobe, involved in processing sensory information such as touch, pain, and spatial orientation.

Conceptual Model

An abstract representation that organizes and illustrates the key concepts and the relationships among them within a field of study.