The Table Below Shows the Lifetimes (In Hours) of Random

question 47

Essay

The table below shows the lifetimes (in hours) of random samples of light bulbs of three different brands. Use a
0.01 significance level to test the claim that the different brands have the same median lifetime. $$\begin{array} { r | r | r } \text { Brand A } & \text { Brand B } & \text { Brand C } \\\hline 190 & 182 & 203 \\220 & 170 & 210 \\230 & 203 & 199 \\215 & 175 & 200 \\224 & 178 & 196 \\231 & 181 & 197\end{array}$$

---

Definitions:

Cingulate Cortex

A part of the brain situated in the medial aspect of the cerebral cortex, involved in emotional processing and regulation.

Emotional States

Refers to the complex psychological conditions that encompass a person's feelings, thoughts, and physiological responses to various situations.

Klüver-Bucy Syndrome

A rare neurological condition characterized by lack of fear, hypersexuality, tendency to orally explore objects, visual agnosia, and docility, resulting from damage to the temporal lobes.

Fear Response

The fear response is a physiological reaction that occurs in response to a perceived threat, involving the activation of the fight-or-flight response by the amygdala.