DATABASE FUNDAMENTALS
TYPES OF DATA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Categorical:nominal
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Categorical:ordinal
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Quantitative:discrete
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Quantitative:continuous
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Detailed explanation-1: -It is measured in candelas per square feet or candelas per square meters.
Detailed explanation-2: -Variables. Independent variable-the light intensity (how close the light is). Dependant variable-the number of oxygen bubbles given off (the rate of photosynthesis).
Detailed explanation-3: -Candela (cd) This SI unit is used to measure the luminous intensity of a light source which is moving in a specific direction. It is also sometimes referred to as a candle and represented as cd / m 2.
Detailed explanation-4: -E=/A, where A=area in m2. A measure of the illuminating power of a light source in a particular direction, independent of the distance from the source. Unit of light flux. The amount of light contained in one steradian from a source with an intensity of one candela in all directions.