Creating Frequency Tables and putting the information into Graphs. - PowerPoint PPT Presentation

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Creating Frequency Tables and putting the information into Graphs.

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Creating Frequency Tables and putting the information into Graphs. Miss Crawford asked 50 friends (25 boys and 25 girls) from when she started school in 1988 what ... – PowerPoint PPT presentation

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Title: Creating Frequency Tables and putting the information into Graphs.


1
Creating Frequency Tables and putting the
information into Graphs.
2
Favourite Childrens Toys of the 1980s.
(it wasnt that long ago!!!)
When we are collecting information and data about
a particular topic, we need to do so in an
organised way, so that we can later present it.
Miss Crawford asked 50 friends (25 boys and 25
girls) from when she started school in 1988 what
their favourite toy was from a selection of 8
popular toys of the time.
The choices were as follows
Space hopper
Jacks
Marbles
3
Each of the 50 people asked, chose from the list
and a tally mark was used to represent their
choice on the table below.
Toy Care Bears He-Man Transformers Space Hopper Jacks Marbles BMX Lego
Number of Children
Frequency 10 4 6 7 2 3 12 6
When all the information has been collected the
tallies are counted up and the frequency is
entered beneath. The frequency in this case is
how often a particular toy was chosen as
favourite.
4
This information can now be used to construct a
graph.
Toy Care Bears He-Man Transformers Space Hopper Jacks Marbles BMX Lego
Frequency 10 4 6 7 2 3 12 6
Number of children preferring toy
x
Care Bears He-Man Transformers Space Hopper Jacks Marbles BMX Lego
Choice of toy
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