Exercise 1 Lab Report Adhere to UT’s Honor Code and course policies. Answer group questions individually first before compiling them into a group response. Individual questions are to be answered independently. Balance between brevity and completeness. Show your work for all calculations and be sure to include proper units where necessary. Any secondary resources need to be cited. One printed report is to be submitted at the beginning of the next laboratory period as well as a digital pdf version uploaded to Canvas. (1)GROUP: Analyze the data obtained for the three devices used to measure a 60-mL volume.(a.)Determine each of the three statistics (mean, standard deviation, and PEM) for the three devices using the provided data template for both your group data set and the entire class data set. (b.)What are some possible sources of measurement error in the techniques and instruments you used to measure volume and mass? (c.)Construct a bar graph (with error bars) using the mean and standard deviation of the entire class data setfor each the three devices used to measure a 60-ml. (Attached at end of report) Exercise 1 Page 1 of 5
EXERCISE 1 Page 2 of 5 Using the entire class data set,explicitly compare the three devices and discuss what might account for any differences by answering the following: (d.)Which of the three devices was the most accurate for measuring a 60-mL volume? Include the statistic (its value with SI units as appropriate) that supports your answer and state some reasons why this device might be more accurate compared to the others. Similarly, which of the three devices was the most precise?
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- Spring '08
- pH, entire class data