assign2 - Grades K-2 Teachers Quiz Scores 3 11 8 10 6 8 13...

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Unformatted text preview: Grades K-2 Teachers Quiz Scores 3 11 8 10 6 8 13 9 12 8 11 12 12 10 11 11 10 4 10 Mean 9.42 Standard Deviation 2.71 Smean 0.62 t-value at 95% confidence 2.10 ERRORmean 1.31 RSD 0.29 %RSD 28.81 RSD Grades 6-8 Teachers Quiz Scores 8 10 14 3 8 20 10 20 9 14 4 6 14 18 10 7 2 Mean 10.41 Standard Deviation 5.55 Smean 1.35 t-value at 95% confidence 2.12 ERRORmean 2.85 0.53 %RSD 53.27 I'm 95% confident the quiz scores of the K-2 teachers are 9.422.71 and the quiz scores for the 6-8 teachers are 10.415.55. I'm 95% confident the quiz scores of the K-2 and 6-8 teachers are a result of random variation due to the analysis of the the tThe conclusion of the comparison statistics is the same as the statistical analysis. I'm 95% confident the quiz scores of the K-2 and 6-8 teachers are a result of random variation due to the analysis of the the tThe conclusion of the comparison statistics is the same as the statistical analysis. I do not believe that these calculations are suffice enough to use for the entire population of American teachers because the s There is not enough representation of the whole population in this sample. Difference in Means 0.99 Pooled Standard Deviation 4.29 STDEVmeandiff 1.43 t95 2.03 ERRORmeandiff 2.91 p-value 0.49 t-statistic 0.69 t-critical 2.03 scores for the 6-8 teachers are 10.415.55. om variation due to the analysis of the the t-statistic and the t-critical. om variation due to the analysis of the the t-statistic and the t-critical. ulation of American teachers because the same size is not large enough. ...
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This note was uploaded on 04/29/2008 for the course CHEM 2031 taught by Professor Lobue during the Spring '08 term at Georgia Southern University .

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