lab6 - 21.3091 Min PValue 0.8804 Prob < ChiSq 0.5598...

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Question 1 Distributions Difference 15 20 25 30 35 40 45 50 55 60 Normal(38.8031,12.4593) Stem and Leaf Stem Leaf 5 9 5 00 4 67 4 13 3 8 3 014 2 2 1 78 Count 1 2 2 2 1 3 2 1|7 represents 17 Test Mean=value Hypothesized Value 0 Actual Estimate 38.8031 df 12 Std Dev 12.4593 t Test Test Statistic 11.2291 Prob > |t| <.0001 Prob > t <.0001 Prob < t 1.0000 -50 -30 -10 0 10 20 30 40 50
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Confidence Intervals Parameter Estimate Lower CI Upper CI 1-Alpha Mean 38.80308 29.53867 48.06748 0.980 Std Dev 12.45927 8.429312 22.84097 Question 2 Distributions Fracture Tougness 70 75 80 85 90 95 Normal(77.3318,5.03666) Confidence Intervals Parameter Estimate Lower CI Upper CI 1-Alpha Mean 77.33182 75.09869 79.56495 0.950 Std Dev 5.036664 3.874964 7.197719 Test Standard Deviation=value Hypothesized Value 5 Actual Estimate 5.03666 df 21 ChiSquare Test Statistic
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Unformatted text preview: 21.3091 Min PValue 0.8804 Prob < ChiSq 0.5598 Prob > ChiSq 0.4402 Question 3 Distributions Brand 1 35 36 37 38 39 40 41 42 43 Moments Mean 38.79 Std Dev 1.9541693 Std Err Mean 0.6179626 upper 95% Mean 40.187929 lower 95% Mean 37.392071 N 10 Sum Wgt 10 Sum 387.9 Variance 3.8187778 Skewness-0.19635 Kurtosis 0.4437566 CV 5.0378173 N Missing Distributions Brand 2 30 35 40 45 50 Moments Mean 40.67 Std Dev 5.5791377 Std Err Mean 1.7642783 upper 95% Mean 44.661075 lower 95% Mean 36.678925 N 10 Sum Wgt 10 Sum 406.7 Variance 31.126778 Skewness-0.191904 Kurtosis-1.162025 CV 13.718067 N Missing...
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This note was uploaded on 01/23/2010 for the course STAT 213 taught by Professor Hao during the Spring '10 term at Internet2.

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lab6 - 21.3091 Min PValue 0.8804 Prob < ChiSq 0.5598...

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