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9 Cards in this Set
- Front
- Back
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what is the numerator?
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top number
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what is the denominator?
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bottom number
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what is the quotient?
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when you divide the numerator into the denominator, the result
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what is a percentage?
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the number of times something happens out of 100
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what is a rate?
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a value or price, such as 50 cents a pound, a unit, like miles per hour, also a proportion or rank, like 2 births per 10, or interest rate.
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what is a ratio?
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a relationship between things or one number too another, it is also a rate or proportion, usually a fraction
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what is a proportion?
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a relationship of one portion to another both numerator must be shown ie: class of 30, 12 boys, 18 girls- should NOT be 12/18, but 12/30 boys, 18/30 girls.
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what is averaging?
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a mean, to distinguish it from a median and mode. Add all numbers and divide it by the number of scores (N)
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how do you round data?
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to get a useable number, you go one more decimal place than the number calls for, usually 2-3 decimal places.
If last digit is 5 or more, round up to next digit, 4 or less, round down. |
