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paula1172
29.08.2019 •
Mathematics
In a laboratory experiment a student obtained the following values for the mass density of a metal sample: 5.13 g/cc, 4.98 g/cc, 5.06 g/cc, and 5.01 g/cc. the accepted value for the mass density is 4.80 g/cc. the percent error for the mean mass density is % (to the nearest whole number percent)
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Ответ:
5.104%
Step-by-step explanation:
Given:
The accepted value for the mass density = 4.80 g/cc
Observed values:
5.13 g/cc
4.98 g/cc
5.06 g/cc
5.01 g/cc
Total number of observed values = 4
Mean of the observed values = ( 5.13 + 4.98 + 5.06 + 5.01 ) / 4 = 5.045 g/cc
Now,
The percentage error is calculated as:
on substituting the values, we get
or
Percentage error = 5.104%
Ответ: