revision cards

what is range ?
the range of a set of data refers to the difference between the smallest and largest number.
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what is the mean ?
the mean is where you add up all the numbers and then divide by the number of numbers.
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what is the median ?
The "median" is the "middle" value in the list of numbers.
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what is the mode ?
The "mode" is the value that occurs most often.
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what is the percent ?
a proportion in relation to a whole (which is usually the amount per hundred)
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how to work out a fraction ?
In order to compare fractions, you need to change them so they have the same denominator. Fractions can be converted into decimals. You need to be able to work out a fraction of a given quantity.
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what is a decimal ?
A decimal is a way of writing a number that is not whole. Decimal numbers are 'in between' numbers. For example, 10.4 is in between the numbers 10 and 11. It is more than 10, but less than 11.
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Other cards in this set

Card 2

Front

what is the mean ?

Back

the mean is where you add up all the numbers and then divide by the number of numbers.

Card 3

Front

what is the median ?

Card 4

Front

what is the mode ?

Card 5

Front

what is the percent ?