Question

1. Determine the uncertainty range for this set of data, using any calculation tool at your disposal. Please record the uncertainty range here with appropriate significant figures and units as discussed in the above pages. 2. Determine both the accuracy and precision levels in percentage form. Show your work here. 3. Do random errors alone seem to account for any inaccuracies from the accepted value, or does a systematic error appear to be present? Explain your reasoning. Part 2 Coefficients of Friction between wood and rubber surfaces Direct Pulling Method | Incline Plane Method 0.72 | 0.71 0.70 | 0.91 0.79 | 0.66 0.74 | 0.79 0.75 | 0.87 Uncertainty Range Precision Level (%) Percent Difference 1. Complete the values in the table for the uncertainty ranges and precision levels for each set set and find the percent difference between the two sets. 2. Which data set seems to be more reliable and why? Does this set have less random or systematic error?

          1. Determine the uncertainty range for this set of data, using any calculation tool at your disposal. Please record the uncertainty range here with appropriate significant figures and units as discussed in the above pages.
2. Determine both the accuracy and precision levels in percentage form. Show your work here.
3. Do random errors alone seem to account for any inaccuracies from the accepted value, or does a systematic error appear to be present? Explain your reasoning.
Part 2
Coefficients of Friction between wood and rubber surfaces
Direct Pulling Method | Incline Plane Method
0.72 | 0.71
0.70 | 0.91
0.79 | 0.66
0.74 | 0.79
0.75 | 0.87
Uncertainty Range
Precision Level (%)
Percent Difference
1. Complete the values in the table for the uncertainty ranges and precision levels for each set set and find the percent difference between the two sets.
2. Which data set seems to be more reliable and why? Does this set have less random or systematic error?

1. Determine the uncertainty range for this set of data, using any calculation tool at your disposal. Please record the uncertainty range here with appropriate significant figures and units as discussed in the above pages.
2. Determine both the accuracy and precision levels in percentage form. Show your work here.
3. Do random errors alone seem to account for any inaccuracies from the accepted value, or does a systematic error appear to be present? Explain your reasoning.
Part 2
Coefficients of Friction between wood and rubber surfaces
Direct Pulling Method | Incline Plane Method
0.72 | 0.71
0.70 | 0.91
0.79 | 0.66
0.74 | 0.79
0.75 | 0.87
Uncertainty Range
Precision Level (%)
Percent Difference
1. Complete the values in the table for the uncertainty ranges and precision levels for each set set and find the percent difference between the two sets.
2. Which data set seems to be more reliable and why? Does this set have less random or systematic error?

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