@@@Stats 2 - Lower Limit Upper LimiFrequency 8.5 9.49 9.5...

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Lower Limit Upper LimiFrequency midpoint fm fm2 8.5 9.49 30 8.995 269.85 2427.30075 9.5 10.49 26 9.995 259.87 2597.40065 10.5 11.49 49 10.995 538.755 5923.61123 11.5 12.49 27 11.995 323.865 3884.76068 12.5 13.49 43 12.995 558.785 7261.41108 175 1951.125 22094.4844 var 1.958817734 std dev 1.399577698 mean 11.14928571 1.9599639845 normsinverse Xbar 97.9 Xbar Mu 98.6 plus sign or sigma 1 Z n 20 Se Z 1.95996 -1.660391156 1.9599639845 lower 0.418245 upper 0.461755
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A: B: 97 3.85 118 3.21 144 4.37 126 3.06 13.46628 0.656827 137 4.84 127.5714 4.042727 129 4.83 0.105559 0.162471 137 4.2 129 4.01 134 3.19 126 4.74 141 4.17 139 105 124 97.9 lower 97.4617 r minus sign upper 98.3383 1.95996 0.22361
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0.29 varS Err:504 0.34 devS Err:504 0.35 0.38 0.43 varP Err:504 0.44 0.46 mean 0.46 median 0.5 mode devP Err:504 0.54 0.57 0.68 0.69 0.79 0.8
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CH10.4A z value test st 0.7678340713 sample mean 48.4 mean-miu 0.1 miu 0 48.3 sqrtn 16.1245154966 std 2.1 std/sqrtn 0.1302364713 n 260 0.00030937 1-norm.dist 0.00061874 2tail chp10.7a phouse(samp 0.24 phouse-p -0.02 p*(1-P) 0.1924 p 0.26 1-p 0.74 n 1300 p(1-p)/n 0.000148 sqrtdeno 0.01216553 z(avalue of test stats)-1.64398987 chp10.7b P-values 0.94991085 1.8998217058 double 0.05008915 0.1001782942 if(-)z 10.8a confidence interval chisquare df n 10 6.10897521 alpha/2 15.086 n-1 9 s^2 10.24 166.353791 1-alpha/2 0.554 when s is given 2.47163412 12.8978212 samplestd Err:504 samplevar Err:504 ch10.8b n 20 x^2 52.93200272 s^2 1741.1843 sigma^2 625 n-1 19
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chapter 12 ask question about distribution how they're derived data analysis null hypothesis is the variances are identical alternative hypothesis variances are not identical iI if you have a if you have a
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- anova treatment 1 treatment 2 treatment 3 quantitaive dependent qualitative independent
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160(1/12)=1.33
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160(1/12) observed Month Fatal Accidenexpected residual=obs-exp residual^2 (residual^2)/expected Jan 22 13.33 8.670 75.169 5.639 Feb 8 13.33 -5.33 28.409 2.131 Mar 8 13.33 -5.33 28.409 2.131 Apr 17 13.33 3.67 13.469 1.010 May 8 13.33 -5.33 28.409 2.131 Jun 10 13.33 -3.33 11.089 0.832 Jul 23 13.33 9.67 93.509 7.015 Aug 11 13.33 -2.33 5.429 0.407 Sep 13 13.33 -0.33 0.109 0.008 Oct 13 13.33 -0.33 0.109 0.008 Nov 20 13.33 6.67 44.489 3.338 Dec 18 13.33 4.67 21.809 1.636 use formula o
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SUM 26.2870817704
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