The Following Information Regarding the Top Eight Fortune 500 Companies

question 88

Short Answer

The following information regarding the top eight Fortune 500 companies was presented in an issue of Fortune Magazine.
$\begin{array}{lrrr}&\text { Sales } & \text { Sales } & \text { Protits } & \text { Profits } \\\text { Company }&\$ \text { Millions } & \text { Rank } & \$ \text { Millions } & \text { Rank }\\\text { General Motors } & 161,315 & 1 & 2,956&30 \\\text { Ford Motor } & 144,416 & 2 & 22,071&2 \\\text { Wal-Mat Stores } & 139,208 & 3 & 4,430&14 \\\text { Exzon } & 100,697 & 4 & 6,370&5 \\\text { General Electric } & 100,469 & 5 & 9,269 &3\\\text { Int1 Business Machines } & 81,667 & 6 & 6,328 &6\\\text { Citigroup } & 76,431 & 7 & 5,807 &\\\text { Philip Morris } & 57,813 & 8 & 5,372&9 \\\text { Boeing } & 56,154 & 9 & 1,120&82 \\\text { AT\&T } & 53,588 & 10 & 6.398&4\end{array}$
a. How many elements are in the above data set?
b. How many variables are in this data set?
c. How many observations are in this data set?
d. Which variables are categorical and which are quantitative variables?
e. What measurement scale is used for each variable?

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Definitions:

A/C System

A system in vehicles designed to cool the interior air and maintain comfortable temperatures for passengers.

Refrigerant

A substance used in air conditioning and refrigeration systems to absorb and release heat, facilitating cooling and heating processes.

Blend Air Door

A component within a vehicle's HVAC system that regulates the mix of hot and cold air to achieve desired cabin temperatures.

Truck A/C System

The air conditioning system in a truck, responsible for cooling the cabin, improving comfort for the occupants.