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Complete the contingency table and use it to solve the problem.
-The partially filled contingency table gives the relative frequencies of the data on age (in years) and sex from the residents of a retirement home. What percentage of residents are males in the age group 60-79?
Weighted Average
A mathematical calculation that takes into account both the magnitude and the significance of each number in a set to find an average value weighted by importance or size.
Homogeneous Products
Goods that are considered identical by consumers, and can be substituted for one another, such as commodities.
Perpetual Methods
Inventory accounting systems where updates are made continuously to reflect the buying, selling, and production of goods.
Periodic
Occurring or repeating at regular intervals of time, often used to describe recurring financial or reporting events.
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