Ignite Charlotte 1: The Problem with Data and Statistics by Adam Q. Holden-Bache
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Transcript of Ignite Charlotte 1: The Problem with Data and Statistics by Adam Q. Holden-Bache
O’REILLY
The Problem with Data and Statistics
Adam Q. Holden-Bache @adamholdenbache
@adamholdenbache
O’REILLY
82.4% of people like statistics
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“Statistics is the art of never having
to say you’re wrong.”- C. J. Bradfield
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97% of all statistics are made
up
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Benefits of charts and graphs
• Make a comparison• Show a relationship
• Highlight a trend
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QuickTime™ and a decompressor
are needed to see this picture.
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QuickTime™ and a decompressor
are needed to see this picture.
O’REILLY@adamholdenbache
QuickTime™ and a decompressor
are needed to see this picture.
O’REILLY@adamholdenbache
QuickTime™ and a decompressor
are needed to see this picture.
O’REILLY@adamholdenbache
QuickTime™ and a decompressor
are needed to see this picture.2 MIL
4.5 MIL
1.5 MIL
10 mos. 6 mos. 15 mos.
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QuickTime™ and a decompressor
are needed to see this picture.
O’REILLY@adamholdenbache
QuickTime™ and a decompressor
are needed to see this picture.
O’REILLY@adamholdenbache
QuickTime™ and a decompressor
are needed to see this picture.
O’REILLY@adamholdenbache
QuickTime™ and a decompressor
are needed to see this picture.
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The 4 questions to ask yourself when
considering statistics…
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1. Who did the study?
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2. What are the statistics
measuring?
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3. Who was asked?
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4. How were they asked?
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QuickTime™ and a decompressor
are needed to see this picture.
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“Statistics are no substitute for judgement.”
- Henry Clay
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