PART B: Do the calculations from the "Table 1" that you collected in the laboratory. To complete Table 2, please show your calculation clearly for each one, step by step (60p). Table 1 Weight of replicates measurements Glassware 1 2 3 Beaker Graduate cylinder Pipette Table 2 Glassware Mean, Error, E Standard Deviation, 90% CI 95% CI* Beaker Graduated Cylinder Pipette *90% and 95% confidence interval is given by the following formula where Xi = x + the appropriate value can be found from t-table. va x Based upon your experimental results, which glassware provides the most accurate and the most precise results? Justify your answer (10p).
t score р 0.1 0.05 0.025 0.01 0.005 df on WN 1 2 3 4 5 3.078 1.886 1.683 1.533 1.476 6.314 2.920 2.353 2.132 2.015 12.706 4.303 3.182 2.776 2.571 31.821 6.965 4.541 3.747 3.365 63.657 9.925 5.841 4.604 4.032 10 11 12 13 14 15 1.372 1.363 1.356 1.350 1.345 1.341 1.812 1.796 1.782 1.771 1.761 1.753 2.228 2.201 2.160 2.160 2.145 2.131 2.764 2.718 2.650 2.650 2.624 2.602 3.169 3.106 3.055 3.012 2.977 2.947 24 1.318 1.711 2.064 2.492 2.797
PART B: Do the calculations from the "Table 1" that you collected in the laboratory. To complete Table 2, please show yo
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PART B: Do the calculations from the "Table 1" that you collected in the laboratory. To complete Table 2, please show yo
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