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Sign " : " is called Colon it represents the ratio, which is an ordered pair of a & b (b =! 0) which is a/b, represent as a:b.
How do you calculate a ratio?
The ratio is comparison of two quantities, usually by dividing them. By comparing one data point (A) to another data point (B), the formula would be A/B. This means you are dividing information A by information B.
What type of data is ratio?
Ratio data is a form of numeric data. It measures variables on a continuous scale, with an equal distance between adjacent values.
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