I\'m confused about the actual percentages not the rest. Thanks in advance. (c)

Question

I'm confused about the actual percentages not the rest. Thanks in advance.

(c) ind the actual percen of the deviations of the Rule mean, and find those which are with in 2 standard obtained from Rule and the Empirica Year Table 2 Al-Star Game results (2004-2013 2004 West East Total Deviation Deviation-squared 2005 136 132 Q68 3.5 12.25 115 125 31.5 902.25 2006 120 122 24 -29.5 2007 153 132 13.5 2008 128 134 870,25 182.25 2009 146 119 265 -6.5 90.25 2010 139 141 280 8.5 72.25 2011 148 143 291 19.5 380.25 2012 152 149 301 29.5 870.25 2013 143 138 281 9.5 90.25 Sum 1380 1335 2715 0,0 3602.50 Question 6: Total Fat versus calories for 4 items on the BK menu are shown in Table 3. (data source: www.bk.com) chonter y Fat (g calories Whopper Sandwich 35 630 BK Quad Stacker

Explanation / Answer

from above std deviation =(deviation squared/(n-1))1/2 =20.01

hence 2 std deviation away deviation =2*20.01=40.02

as from above given table all values are under 40.02 absolute deviation . therefore 100 % values lie with in 2 standard deviation.

from Chebychev =(1-1/k2)*100=|(1-1/22)*100=75% values lie with in 2 standard deviation.

from emprical formula 95% values lie with in 2 standard deviation.

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