I re-calculated everyone’s scores from IQR to StDev, re-ordered the results based on the new scores, and the results were very surprising. Moving to the bar graph, there’s definitely a clear winner. I’ve removed that ammunition from the charts for now, and will re-add it when I get more data down the road. That’s why you see the outlier in the boxplot - there isn’t enough data to fit that into the bell curve. I only have a few data points compared to the 20 that I have for everyone else, and it isn’t really fair. Heck, Eagle Eye even beat the best that Hornady has to offer, for those who believe the red box is superior to all else.Ī quick note about the Winchester ammunition: upon reflection, I really didn’t have enough data to make a call about that ammo. One is clearly superior in both interquartile range and extreme spread, and it ain’t the old guard. I threw in a couple other brands for comparison in the boxplot, but you can already see a clear winner when it comes to the Eagle Eye versus Federal Gold medal Match grudge match. Same gun, same chrono, same atmospheric conditions. So in order to see how well Eagle Eye performed, I figured it would be best to directly compare it against the best Federal has to offer. But just comparing the ammunition to the rest of the stuff I’ve done already wasn’t enough - I wanted to see how well it did against their prime competitor.įederal Gold medal Match is the gold standard when it comes to precision ammunition - everyone who needs a consistent commercial load uses it. I have been using InterQuartile Range (IQR) for the metric to compare everyone, but after talking to the nerds at Eagle Eye I think I’ve finally been convinced to switch to Standard Deviation (StDev) as the metric instead - it gives a better idea of the variability of the ammunition. To give you a quick refresher on the setup, we run a box of ammunition through the chronograph and analyze the results. We have already looked a little at the background of this ammunition in our first look article, so now it’s time to put it to the test.
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