### Frequency Tables

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Frequency tables Frequency tables show the total of the tally marks. Some frequency tables include the tallies. This frequency table is the same as the table It has another column added with the totals frequencies of the tallies. The frequency table has a space to write a total at the bottom of the frequency column. This […]

### Collecting and Organizing Data

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Collecting and Organizing data Collecting and classing data Data is set of facts, numbers and other information. Statistics involves process of collecting data and using it to try and answer the question. The flow diagram shows four main steps involved in this process of statistical investigation. Different types of data Answer these two questions: Who is your […]

### Function

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Function The relation f with first set A and second set B is called a function when every element of A is paired with only one element of B.  f:A→B We can write it based on the way we label the sets. You may find it written as f:X→Y If in the functional relation f with first set […]

### Cartesian product

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Cartesian product Cartesian product of two sets The Cartesian product of the set A with the set B is called the set AxB of all the possible ordered pairs where the first coordinate is from the set A and the second from the set B. We note: AxB = {(a,b) :a ∈ A$displaystyle wedge$b […]

### Sets

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Sets What are sets? To name different group of objects in our daily life we use different words, like a group of students, pile of stones, or herd of fold. In mathematic we use the word set. “Sets are collection of things that are grouped together based on a common property”. The objects that are […]