Lab 2 - 10 20 30 40 50 60 70 80 90 100 110 120 2. 5 5. 0 7....

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Unformatted text preview: 10 20 30 40 50 60 70 80 90 100 110 120 2. 5 5. 0 7. 5 10. 0 12. 5 15. 0 P e r c e n t f i r s t Azfar Khandoker Dr. Knapp Stat 350 4:30 Lab #2 1. a. i. 10 20 30 40 50 60 70 80 90 100 110 120 2. 5 5. 0 7. 5 10. 0 12. 5 15. 0 P e r c e n t new1 ii. 10 20 30 40 50 60 70 80 90 100 110 120 5 10 15 20 25 30 P e r c e n t new2 iii. b. i. N 80 Sum Weights 80 Mean 60.18 Sum Observations 4814.4 Std Deviation 23.5381371 Variance 554.043899 Skewness 0.16713259 Kurtosis -0.8165504 Uncorrected SS 333500.06 Corrected SS 43769.468 Coeff Variation 39.1128899 Std Error Mean 2.63164373 ii. N 80 Sum Weights 80 Mean 70.18 Sum Observations 5614.4 Std Deviation 23.5381371 Variance 554.043899 Skewness 0.16713259 Kurtosis -0.8165504 Uncorrected SS 437788.06 Corrected SS 43769.468 Coeff Variation 33.5396653 Std Error Mean 2.63164373 iii. N 80 Sum Weights 80 Mean 30.09 Sum Observations 2407.2 Std Deviation 11.7690686 Variance 138.510975 Skewness 0.16713259 Kurtosis -0.8165504 Uncorrected SS 83375.015 Corrected SS 10942.367 Coeff Variation 39.1128899 Std Error Mean 1.31582187 c. The original data and the data from new1 are both slightly negatively skewed; however the data from new2 is prominently positively skewed. The absence of heavy differences between new1 and the original data may be because the data represented in...
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Lab 2 - 10 20 30 40 50 60 70 80 90 100 110 120 2. 5 5. 0 7....

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