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gavmur [86]
3 years ago
13

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)
Mathematics
1 answer:
VMariaS [17]3 years ago
3 0

Answer:

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:

\textup{Percent Error}=\frac{\left |\textup{Accepted value-Mean value} \right |}{\left |\textup{Accpeted value} \right |}\times100%

on substituting the values, we get

\textup{Percent Error}=\frac{\left |4.80-5.045\right |}{4.80}\times100%

or

Percentage error = 5.104%

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