Decide Whether It Appears Reasonable to Use a T-Test to Perform

question 31

Essay

Decide whether it appears reasonable to use a t-test to perform a hypothesis test for the mean in question. Explain youranswer and include any relevant graphs, such as a normal probability plot, histogram, or stem-and-leaf diagram. If thereare outliers, explain how to proceed.
-Test scores for a random sample of 12 students were as follows: $\begin{array} { l c c c c c } 22 & 30 & 34 & 37 & 40 & 45 \\ 49 & 53 & 58 & 65 & 74 & 87 \end{array}$

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Definitions:

Formal Speech

A structured, planned address, usually of a serious nature, delivered to an audience.

Presentation Anxiety

Feelings of nervousness or fear experienced when presenting information in front of an audience.

Cultural Differences

Variations in practices, beliefs, and values among different societies or groups.

Mannerisms

Distinctive behaviors or habits of an individual that are often characteristic and can convey nonverbal cues during communication.