Statistics:
95% of physics problem errors are cause by sign mistakes. 4% are bad unit conversions. The remainder are due to difficult physics.
-> -----Original Message-----
-> From: Phys-l [mailto:phys-l-bounces@www.phys-l.org] On Behalf Of John
-> Denker
-> Sent: Monday, May 04, 2015 8:21 PM
-> To: Phys-L@Phys-L.org
-> Subject: Re: [Phys-L] backwards units
->
-> On 2015, May 04, , at 11:52, John Denker <jsd@av8n.com> wrote:
->
-> >> I like to point out that getting the units wrong might cost you 328
-> >> million dollars
-> >> http://mars.jpl.nasa.gov/msp98/gif/m98patch.gif
->
-> On 05/04/2015 05:08 PM, Bernard Cleyet wrote:
->
-> > You mean $125 M?
-> >
-> > This one?
->
-> I mean this one:
->
-> http://mars.jpl.nasa.gov/msp98/orbiter/fact.html
->
-> 327.6 million dollars. Rounded off to 328.
->
-> > http://www.cnn.com/TECH/space/9909/30/mars.metric.02/
-> >
-> > bc not certain he should believe CNN.
->
-> When not sure, there are lots of ways of checking.
->
-> 68.3 percent of all statistics are made up on the spot.
-> Except on CNN, where it's 88.5 percent of the statistics.
->
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