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Date Name Thumbnail Size User Description Versions
16:15, 11 June 2015 Hoyt.jpg (file) 34 KB Herb Shows distribution of shots around COI <math>\sigma_h \neq \sigma_v\text{, } \rho \neq 0<math 1
16:04, 20 November 2013 SizeStatistics.png (file) 34 KB David Graph of data from File:Sigma1ShotStatistics.ods -- expected and standard deviation of values for Extreme Spread, Diagonal, and Figure of Merit with sigma = 1, for shot groups of size 2 to 50. 1
11:38, 18 November 2015 300BLK 220gr Factory Subsonic 100yd.xlsx (file) 34 KB David Corrected rank adjustment plot. 2
21:26, 22 May 2023 SighterGroup3.png (file) 36 KB David Sight alignment simulation with 9 shots from sigma=1, mu=0. 1
21:26, 22 May 2023 SighterGroup2.png (file) 37 KB David Sight alignment simulation with 6 shots from sigma=1, mu=0. 1
01:32, 11 June 2015 800px-Anscombe's quartet 3.png (file) 38 KB Herb The four sets of points, [http://en.wikipedia.org/wiki/Anscombe%27s_quartet Anscombe's quartet}, have the same fit line and the same coreelation coefficient. Image from Wikipedia. http://en.wikipedia.org/wiki/File:Anscombe%27s_quartet_3.svg 1
13:00, 30 May 2017 BallisticAccuracyClassification.xlsx (file) 42 KB David Converted to generalized sigma estimation formula for Independent Groups. 3
21:27, 22 May 2023 SighterGroup1.png (file) 51 KB David Sight alignment example with three shots. 1
09:30, 5 June 2016 OrderStatisticsFig1.png (file) 56 KB Louis Order statistics examples, one shot in group 1
17:33, 3 February 2014 300BLK Subsonic Handloads 100yds.png (file) 57 KB David 300BLK Subsonic 60-shot 100-yard Example 1
14:45, 30 May 2023 10-shotOrderStatistics1.png (file) 58 KB David Sample target and calculation of sigma from order statistics on 10-shot group. 1
16:19, 30 November 2014 RangeStatisticEstimation.xls (file) 59 KB David   3
21:04, 7 June 2016 Ex0-1.png (file) 61 KB Louis Marked worst shots with red triangles 2
13:57, 21 March 2017 1000Shots.png (file) 61 KB David   2
18:13, 18 May 2023 Precision v Accuracy.png (file) 71 KB David   2
20:27, 8 June 2015 Covering circle.jpg (file) 72 KB Herb Red circles have a radius equal to the distance between A and B. Points in green region are: * Outside circle that has AB as a diameter * Closer to A than B * Closer to B than A 1
09:31, 5 June 2016 OrderStatisticsFig3.png (file) 73 KB Louis Order statistics examples, three shots in group 1
09:31, 5 June 2016 OrderStatisticsFig5.png (file) 83 KB Louis Order statistics examples, five shot in group 1
13:20, 26 July 2023 SymmetricBivariateSigma1.xls (file) 86 KB David Fixed Extreme Spread Mean and StDev 2
15:05, 3 May 2014 3ShotSighterError.png (file) 94 KB David Illustration of misses on a 99% target (i.e., a target big enough that 99% of shots fired from a perfectly-sighted gun should hit it), produced by the sighting error expected from using a 3-shot sighter group. 1
16:19, 30 November 2014 Sigma1RangeStatistics.xls (file) 95 KB David   3
09:32, 5 June 2016 OrderStatisticsFig10.png (file) 102 KB Louis Order statistics examples, ten shots in group 1
01:23, 6 June 2015 Bullseye.jpg (file) 117 KB Herb Used as a warning symbol in upper left of "table" used to outline the point. 1
18:11, 1 December 2013 Confidence Interval Convergence.xlsx (file) 140 KB David Source data for File:ConfidenceIntervals.png 1
20:01, 6 June 2016 Ex1-1.png (file) 150 KB Louis Monte-Carlo results of excluding worst shot 1
20:22, 23 November 2013 Is Group Size the Best Measure of Accuracy by J.E. Leslie III.pdf (file) 154 KB David ''Is "Group Size" the Best Measure of Accuracy'', John E. Leslie III, 1993 1
20:02, 6 June 2016 Ex2-1.png (file) 157 KB Louis Monte-Carlo results of excluding worst shot (contaminated normal) 1
15:25, 30 November 2014 Extreme Spread Quantiles.xlsx (file) 163 KB David   3
16:23, 20 November 2023 Ellipse50CEP.png (file) 185 KB David 50% covering ellipse for gun with sigma(x, y) = (3, 1) 1
21:02, 18 March 2014 RayleighEstimatorQuantiles.xls (file) 204 KB David Quantile functions and moments for the Rayleigh estimator on sample sizes from 2-50. Generated by Media:RayleighEstimatorQuantile.c 1
15:58, 3 February 2014 TargetSubsonic.pdf (file) 235 KB David Category: Printable Targets Single high target to allow for significant vertical drop. 2
05:49, 11 December 2015 RadialErrorDistributions.jpg (file) 236 KB Armadillo   3
16:00, 3 February 2014 TargetSubsonicColor.pdf (file) 237 KB David Category: Printable Targets Color single high target to allow for significant vertical drop. 1
15:59, 3 February 2014 TargetDouble.pdf (file) 240 KB David Category: Printable Targets Printable double target. 2
16:00, 3 February 2014 TargetDoubleColor.pdf (file) 242 KB David Category: Printable Targets Color printable double target. 1
13:30, 26 July 2023 RangeStatistics.png (file) 318 KB David Corrected Extreme Spread values 2
10:51, 18 December 2015 Bivariate.png (file) 342 KB Armadillo   2
11:03, 13 December 2013 40grCCI HV 100Yards String2.jpg (file) 405 KB David Sample target: 22LR CCI 40gr HV 20 shots at 100 yards 1
14:06, 2 January 2014 SCAR17 150gr 100yd.png (file) 470 KB David Precision measures diagrammed on a 10-round group that was fired at 100 yards through a SCAR 17S. Data are in Media:SCAR17_150gr_100yd.xls. 4
11:02, 13 December 2013 40grCCI HV 100Yards String1.jpg (file) 575 KB David Sample target: 22LR CCI 40gr HV 20 shots at 100 yards 1
11:05, 16 May 2023 Order Statistics of Exponential Distribution in Censored Samples.pdf (file) 901 KB David A. K. Md. Ehsanes Saleh. (1967). "Determination of the Exact Optimum Order Statistics for Estimating the Parameters of the Exponential Distribution from Censored Samples." Technometrics, 9(2), 279–292. https://doi.org/10.2307/1266424 1
20:56, 21 February 2014 Approximate Distributions for Extreme Spread - Taylor 1975.pdf (file) 1.01 MB David   1
17:04, 15 May 2023 Simplified Estimates for the Exponential Distribution.pdf (file) 1.24 MB David Sarhan, A. E., Greenberg, B. G., & Ogawa, J. (1963). Simplified Estimates for the Exponential Distribution. The Annals of Mathematical Statistics, 34(1), 102–116. 1
18:46, 15 March 2017 UncoatedFired.jpg (file) 1.27 MB David Micrograph of a fired copper-jacketed bullet. Shown is the beginning of one groove at the bullet's ogive. 1
18:47, 15 March 2017 HBNfired.jpg (file) 1.32 MB David Micrograph of a fired copper-jacketed bullet that was impact-plated with hBN (which appears in black). Shown is the beginning of one groove at the bullet's ogive. 1
20:25, 3 March 2014 Sitton 1990.pdf (file) 2.06 MB David ''Groups, Statistics, and Practical Facts'', G. Sitton, 1990. 1
16:43, 23 February 2014 Statistical Measures for Riflemen and Missile Engineers - Grubbs 1964.pdf (file) 2.83 MB David   1
14:16, 2 June 2023 Gammon 2017 Shot Group Statistics.pdf (file) 4.69 MB David MARCORSYSCOM report by W. J. Gammon: "Shot Group Statistics for Small Arms Applications" 1
13:36, 25 November 2013 Statistical Inference for Rayleigh Distributions - Siddiqui, 1964.pdf (file) 6.14 MB David Statistical Inference for Rayleigh Distributions, M. M. Siddiqui, 1964 1
14:47, 25 November 2013 Some Problems Connected With Rayleigh Distributions - Siddiqui 1961.pdf (file) 7.14 MB David Some Problems Connected With Rayleigh Distributions, M. M. Siddiqui, 1961. 1
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