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I need help with my lab. I already started. I need help calculating these this is my data. and below are the questions asked Do
I need help with my lab. I already started. I need help calculating these
this is my data. and below are the questions asked
Do the following calculations and record the results on your Data Sheet. Mass Determination 1. Find the mean value for the mass, m. m=mi 2. Calculate the deviation (mim) for each mass determination. 3. Calculate (mim)2 for each mass determination and find the sum, (mim)2. 4. Using Equation 3, calculate the estimate of the standard deviation, s. s=(n1)(mim)2 5. From the reference table, find the value of t for a 99% probability limit. Calculate the confidence intervals, for a single value and for the mean. Cl for single value =ts C/ for mean =ts Volume Determination 6. Find the mean value for the volume, V. V=Vi 7. Calculate the deviation (ViV) for each volume determination. 8. Calculate (ViV)2 for each volume determination and find the sum, (ViV)2. 9. Using Equation 3, calculate the estimate of the standard deviation, s. s=(n1)(ViV)2 10. From the reference table, find the value of t for a 99% probability limit. Calculate the confidence intervals for a single value and for the mean. Cl for single value =ts Cl for mean =ts Analysis of Experimental Density Data 5 where (m) is the 99%Cl for the mean of the mass determinations and (V) is the 99%Cl for the mean of the volume determinations. 13. Find the \% difference between the experimental density and the accepted value of 2.40gmL1. (d). %difference=(2.40gmL1d(2.40gmL1))(100) PROP 353/Statistical Ana Density Determination 11. Using the mean values of mass and volum calculate the density, d. d=m/V 12. Calculate the random error in the density, (d) (d)=dm2(m)2+V2(V)2 Do the following calculations and record the results on your Data Sheet. Mass Determination 1. Find the mean value for the mass, m. m=mi 2. Calculate the deviation (mim) for each mass determination. 3. Calculate (mim)2 for each mass determination and find the sum, (mim)2. 4. Using Equation 3, calculate the estimate of the standard deviation, s. s=(n1)(mim)2 5. From the reference table, find the value of t for a 99% probability limit. Calculate the confidence intervals, for a single value and for the mean. Cl for single value =ts C/ for mean =ts Volume Determination 6. Find the mean value for the volume, V. V=Vi 7. Calculate the deviation (ViV) for each volume determination. 8. Calculate (ViV)2 for each volume determination and find the sum, (ViV)2. 9. Using Equation 3, calculate the estimate of the standard deviation, s. s=(n1)(ViV)2 10. From the reference table, find the value of t for a 99% probability limit. Calculate the confidence intervals for a single value and for the mean. Cl for single value =ts Cl for mean =ts Analysis of Experimental Density Data 5 where (m) is the 99%Cl for the mean of the mass determinations and (V) is the 99%Cl for the mean of the volume determinations. 13. Find the \% difference between the experimental density and the accepted value of 2.40gmL1. (d). %difference=(2.40gmL1d(2.40gmL1))(100) PROP 353/Statistical Ana Density Determination 11. Using the mean values of mass and volum calculate the density, d. d=m/V 12. Calculate the random error in the density, (d) (d)=dm2(m)2+V2(V)2
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