According to Armand V

question 81

True/False

According to Armand V. Feigenbaum, quality is determined by the customer.

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Definitions:

Margin of error

An expression of the amount of random sampling error in a survey's results. It represents the range within which the true value lies, based on a certain confidence level.

Sample mean

The average of a set of data points or observations taken from a larger population.

Checkout times

The duration or period it takes for a customer to complete a purchase transaction from start to finish.

Confidence interval

A range of values, derived from sample data, that is believed to contain the true value of a population parameter with a certain probability.