Suppose you measure the number of minutes it takes an employee to complete a task, where the maximum allowed time is 5 minutes, and each time is rounded to the nearest minute. Data from 130 employees is summarized below. How long did it take most employees to complete the task? 
Definitions:
Purchasing Part
A component required in the production process or maintenance of equipment, acquired through the procurement process.
Contribution Margin
The difference between sales revenue and variable costs, indicating how much contributes to covering fixed costs and generating profit.
Normal Sales
The expected amount of sales based on historical data, market conditions, and economic forecasts, under regular business operations.
Per Unit
A term indicating the cost, price, or required quantity of something on an individual basis.
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