DATABASE FUNDAMENTALS
TYPES OF DATA
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Determine the level of measurementList of telephone numbers
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Nominal
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Ordinal
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Interval
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Ratio
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Explanation:
Detailed explanation-1: -A nominal number names something-a telephone number, a player on a team. Nominal numbers do not show quantity or rank. They are used only to identify something.
Detailed explanation-2: -Ordinal Numbers v. Nominal numbers can be used as area codes, on number plates of vehicles, etc. Operations such as addition, subtraction, multiplication and division are meaningless on nominal numbers. For example: In a phone number like 202 588-6500, the number is a nominal number.
Detailed explanation-3: -Nominal variables are sometimes numeric but do not possess numerical characteristics. Some of thee numeric nominal variables are; phone numbers, student numbers, etc.
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