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List the Variables Reported in the Consumer Reports Magazine Article

question 4

Essay

List the variables reported in the Consumer Reports Magazine article on tipping. If
the variable is quantitative, give the units. If the variable is categorical, indicate whether
it is nominal or ordinal.


Definitions:

Pyruvic Acid

A three-carbon compound that plays a key role in energy production processes in living cells, particularly glycolysis.

Pyruvic Acid

A colorless liquid with a sour taste; a key intermediate in several metabolic pathways, including glycolysis.

Lactic Acid

A waste product that must be released from the cell. It is produced when a cell is low on oxygen and converts pyruvic acid.

Myoglobin

A protein in muscle cells that stores oxygen and gives muscle tissue its red color.

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