presenting data charts and graphs bikes sold from 20/8/05 until 27/8/05 namecolorpricegears...
TRANSCRIPT
![Page 1: Presenting Data Charts and graphs Bikes sold from 20/8/05 until 27/8/05 NameColorPriceGears RangerSilver$1405 OutdoorRed$19510 TourerBlue$18915 StarburstSilver$21515](https://reader030.vdocuments.us/reader030/viewer/2022032805/56649efb5503460f94c0d262/html5/thumbnails/1.jpg)
Presenting Data
Charts and graphs
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Bikes sold from 20/8/05 until 27/8/05
Name Color Price Gears
Ranger Silver $140 5
Outdoor Red $195 10
Tourer Blue $189 15
Starburst Silver $215 15
Mountain White $129 5
Data can be organized with a table
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What is the coldest month?
What is the warmest month?
What is the average temperature in July?
What month has an average temperature of 1?
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![Page 5: Presenting Data Charts and graphs Bikes sold from 20/8/05 until 27/8/05 NameColorPriceGears RangerSilver$1405 OutdoorRed$19510 TourerBlue$18915 StarburstSilver$21515](https://reader030.vdocuments.us/reader030/viewer/2022032805/56649efb5503460f94c0d262/html5/thumbnails/5.jpg)
![Page 6: Presenting Data Charts and graphs Bikes sold from 20/8/05 until 27/8/05 NameColorPriceGears RangerSilver$1405 OutdoorRed$19510 TourerBlue$18915 StarburstSilver$21515](https://reader030.vdocuments.us/reader030/viewer/2022032805/56649efb5503460f94c0d262/html5/thumbnails/6.jpg)
Every good table should have
• A title
• labeled rows and/or columns
Although tables are good, charts and
graphs are easier to understand.
![Page 7: Presenting Data Charts and graphs Bikes sold from 20/8/05 until 27/8/05 NameColorPriceGears RangerSilver$1405 OutdoorRed$19510 TourerBlue$18915 StarburstSilver$21515](https://reader030.vdocuments.us/reader030/viewer/2022032805/56649efb5503460f94c0d262/html5/thumbnails/7.jpg)
Strengths/weakness of tables
• It is easier to find information
• It is easier to find patterns after the information is organized
• It is not easy to see big/small data
• Lots of data can still overwhelm the reader with numbers
![Page 8: Presenting Data Charts and graphs Bikes sold from 20/8/05 until 27/8/05 NameColorPriceGears RangerSilver$1405 OutdoorRed$19510 TourerBlue$18915 StarburstSilver$21515](https://reader030.vdocuments.us/reader030/viewer/2022032805/56649efb5503460f94c0d262/html5/thumbnails/8.jpg)
Pictographs
A pictograph is a symbol that represents
an object or a concept.
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What is the meaning of these pictographs?
![Page 10: Presenting Data Charts and graphs Bikes sold from 20/8/05 until 27/8/05 NameColorPriceGears RangerSilver$1405 OutdoorRed$19510 TourerBlue$18915 StarburstSilver$21515](https://reader030.vdocuments.us/reader030/viewer/2022032805/56649efb5503460f94c0d262/html5/thumbnails/10.jpg)
A pictograph is also a type of chart.
It uses symbols instead of numbers.
![Page 11: Presenting Data Charts and graphs Bikes sold from 20/8/05 until 27/8/05 NameColorPriceGears RangerSilver$1405 OutdoorRed$19510 TourerBlue$18915 StarburstSilver$21515](https://reader030.vdocuments.us/reader030/viewer/2022032805/56649efb5503460f94c0d262/html5/thumbnails/11.jpg)
Pictographs can show lots of information
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A good pictograph has
• a title
• pictures that “make sense”
• pictures that are the same size
• pictures that are lined up
• a scale (key)
• labeled axes
What’s wrong with the pictographs?
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What’s wrong with this pictograph?!?
![Page 14: Presenting Data Charts and graphs Bikes sold from 20/8/05 until 27/8/05 NameColorPriceGears RangerSilver$1405 OutdoorRed$19510 TourerBlue$18915 StarburstSilver$21515](https://reader030.vdocuments.us/reader030/viewer/2022032805/56649efb5503460f94c0d262/html5/thumbnails/14.jpg)
What’s wrong with this pictograph?
Purchasing power of the Canadian dollar 1980-2000
![Page 15: Presenting Data Charts and graphs Bikes sold from 20/8/05 until 27/8/05 NameColorPriceGears RangerSilver$1405 OutdoorRed$19510 TourerBlue$18915 StarburstSilver$21515](https://reader030.vdocuments.us/reader030/viewer/2022032805/56649efb5503460f94c0d262/html5/thumbnails/15.jpg)
Strengths/weaknesses of pictographs
• It’s easier to understand than just numbers
• You can quickly see important facts
• Pictographs are not accurate (fractional pictures)
• Pictures can distract you from the data
• Pictographs can be misleading (Canadian dollar)