what is ratio? Just explain
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- A ratio is an ordered pair of numbers a and b, written a / b where b does not equal 0. A proportion is an equation in which two ratios are set equal to each other.
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☆Answer
- In mathematics, a ratio indicates how many times one number contains another. For example, if there are eight oranges and six lemons in a bowl of fruit, then the ratio of oranges to lemons is eight to six. Similarly, the ratio of lemons to oranges is 6∶8 and the ratio of oranges to the total amount of fruit is 8∶14.
☞ Rates
- A ratio is a comparison of two numbers. A ratio can be written using a colon, 3:5 , or as a fraction 35 . A rate , by contrast, is a comparison of two quantities which can have different units. For example 5 miles per 3 hours is a rate, as is 34 dollars per square foot.
☞ Variable
- A ratio variable, has all the properties of an interval variable, and also has a clear definition of 0.0. ... Examples of ratio variables include: enzyme activity, dose amount, reaction rate, flow rate, concentration, pulse, weight, length, temperature in Kelvin (0.0 Kelvin really does mean “no heat”), survival time
☞ Symbol
Colon
- The Colon as a Symbol for Ratio and Division.
☞ Measurements
- Ratio measure refers to the highest (most complex) level of measurement that a variable can possess. ... An example of a ratio measure is someone's annual income. A ratio measure may be expressed as either a fraction or percentage; in addition, a ratio measure may be written as two numbers separated by a colon.
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