What is the measurement of this yellow line? Are any of the digits of its measurement know with absolute certainty? Are any of digits of its measurement a total guess? 0 1 2 3 4 In Colorado, tree line is 12,114 ft. 12,100 ± 500 ft. Clifton Bluhm Zebulon Pike: 18,581 ft. Stephen Long: 11,507.5 ft. It’s really 14,115 ft Zebulon Pike (1779-1813) Stephen Long (1784-1864), http://www.pikespeakcam.com/images/submitted/DSC00405%20Pikes%20Peak%20from%20Garden%20of%20the%20Gods%20June%2005.JPG http://www.worldbook.com/features/explorers/html/saga_oae.html#StephenHarrimanLong Would you TRUST this person? This pencil is 5.384678 inches long! 0 1 2 3 http://web.ics.purdue.edu/~pmorici/image/pencilWeb/ 44 5 6 This pencil is 5 inches long! 0 1 2 3 http://web.ics.purdue.edu/~pmorici/image/pencilWeb/ 44 5 6 The TRUTH lies somewhere between 5 and 5.384678 inches 0 You must be 44 5 1 2 3 TOTALLY TRUTHFUL in your measurements. http://web.ics.purdue.edu/~pmorici/image/pencilWeb/ 6 0.7 ± .1 1 0 0.67 ± .01 1 0 0.675 ± .001 0 1 2.78 ± .02 Measurement is between 2.76 and 2.80. 0 1 2 3 4 Zebulon Pike first thought this mountain was 18,581 ft 18,000 ± 4,000 Zebulon Pike (1779-1813) 9 10 11 12 13 14 15 16 17 18 19 20 21 22 Stephen Long first thought this mountain was 11,507.5 ft 12,000 ± 3,000 It’s really 14,115 ft Stephen Long (1784-1864), http://www.pikespeakcam.com/images/submitted/DSC00405%20Pikes%20Peak%20from%20Garden%20of%20the%20Gods%20June%2005.JPG http://www.worldbook.com/features/explorers/html/saga_oae.html#StephenHarrimanLong 1.12 ± .02 Measurement is between 1.10 and 1.14. 0 1 2 3 4 2.00 ± .02 Measurement is between 1.98 and 2.02. 0 1 2 3 4 0.04 ± .02 Measurement is between 0.02 and 0.06. 0 1 2 3 4 1 0.3 ± .1 Measurement is between 10.2 and 10.4 0 Smaller Ruler 1 2 3 44 3.40 ± .05 Measurement is between 3.35 and 3.45. 0 1 2 3 4 3.30 ± .02 Measurement is between 3.28 and 3.32. 0 1 2 3 4 1.2 ± .1 0 1 2 3 4 145 ± 1 290 ± 2 2.52 ± .03 Measurement is between 2.49 and 2.55 0 1 2 3 4 2¾ 2.75 2.7 ± .1 Measurement is between 2.6 and 2.8. 0 1 2 3 4 1.1 ± .1 Measurement is between 1.0 and 1.2. 0 1 2 3 4 3.0 ± .1 Measurement is between 2.9 and 3.1. 0 1 2 3 4 0.93 ± .02 3.11 ± .02 0.91 to 0.95 3.09 to 3.13 Shortest Possible Length = 3.09 – 0.95 = 2.14 Longest Possible Length = 3.13 – 0.91 = 2.22 0 1 2 3 Measurement is between 2.14 and 2.22. 2.18 ± .04 4