Use the Three-Class Confusion Matrix Below to Answer Questions 1

question 8

Short Answer

Use the three-class confusion matrix below to answer questions 1 through 3.
$$\begin{array}{l}\text { Computrd Decision }\\\begin{array} { | c | c | c | c | } \hline & \text { Class 1 } & \text { Class } 2 & \text { Class } 3 \\\hline \text { Class 1 } & 10 & 5 & 3 \\\hline \text { Class } 2 & 5 & 15 & 3 \\\hline \text { Class } 3 & 2 & 2 & 5 \\\hline\end{array}\end{array}$$
-How many instances were incorrectly classified with class 3?

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Definitions:

External Ear

The outer parts of the ear, including the pinna and the ear canal, which collect and direct sound waves.

Elastic Cartilage

A type of cartilage that contains elastic fibers, providing flexibility and strength, found in the ear and epiglottis.

Intervertebral Discs

Cartilaginous pads located between the vertebrae in the spine, acting as shock absorbers and allowing flexibility.

Fibrocartilage

A tough type of cartilage that contains fibrous bundles of collagen, found in areas such as the intervertebral disks and pubic symphysis.