A Large Carpet Store Wishes to Determine If the Brand

question 126

Essay

A large carpet store wishes to determine if the brand of carpet purchased is related to the purchaser's family income.As a sampling frame,they mailed a survey to people who have a store credit card.Five hundred customers returned the survey and the results follow: $$\begin{array}{l}\text { Brand of Carpet }\\\begin{array} { | l | c c c | } \hline \text { Family Income } & \text { Brand A } & \text { Brand B } & \text { Brand C } \\\hline \text { High Income } & 65 & 32 & 32 \\\text { Middle Income } & 80 & 68 & 104 \\\text { Low Income } & 25 & 35 & 59 \\\hline\end{array}\end{array}$$ At the 5% level of significance,can you conclude that the brand of carpet purchased is related to the purchaser's family income?
H₀: ____________________________________________________________
H₁: ____________________________________________________________
Test statistic = ____________________
Critical Value = ____________________
Conclusion: ____________________________

---

Definitions:

Climate Change

The long-term alteration of temperature and typical weather patterns in a place, often attributed to human activity.

Global Temperatures

a measurement that reflects the average temperature of the Earth's surface and atmosphere.

Visual Impairment

A condition that involves the partial or total inability to see, significantly affecting one’s ability to perform daily activities.

ALT Tag

A text description added to an image’s HTML code to improve accessibility and help search engines understand the image content.