Posted: September 16th, 2022

Which gave the highest?

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Calculate the % absolute error values for each type of glassware using the theoretical density value obtained from the data table for both your calculated density values and the class average values. The glassware with the smallest percent error means it is closest to actual value, giving the most accurate measurement. Compare the standard deviation values for the class data for density. If the standard deviation is low, this means there is less variation in the measurements, indicating this glassware gives more precise measurements. Determine which piece of glassware gave the most precise density in your class. Answer the questions:
1. From your understanding of the precision of glassware, which piece of glassware was the most precise? Least precise? Explain. (DO NOT USE DATA FOR THIS QUESTION) 2. YOUR DATA: Which piece of glassware gave the lowest % error in the density? Which gave the highest? Does this make sense from your determination of the precision of the glassware? Why or why not? 3. CLASS DATA: Determine which piece of glassware gave the most accurate density for water. How did you determine this? Which piece of glassware gave the most precise density in your class? Which piece of glassware gave the least precise density in your class? Do these results make sense? Why or why not? 4. What are the primary sources of error in this experiment? (think error, not mistakes) 5. How could/would you improve this experiment to minimize the error?

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