Problem: Two students determine the percentage of lead in a sample as a laboratory exercise. The true percentage is 22.52%. The students results for three determinations are as follows:1. 22.52, 22.48, 22.542. 22.64, 22.58, 22.62Tell which set is the more accurate based on the average.

FREE Expert Solution

The average or mean can be calculated using the following equation:

average=sum of the measurementsnumber of measurements


Calculate the average percentage for each set of data:

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Problem Details

Two students determine the percentage of lead in a sample as a laboratory exercise. The true percentage is 22.52%. The students results for three determinations are as follows:
1. 22.52, 22.48, 22.54
2. 22.64, 22.58, 22.62

Tell which set is the more accurate based on the average.

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