The length of a line was measured repeatedly on three different occasions and probable error of each mean value was computed with the following results shown below. Determine the weighted mean of the three sets of measurements.

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The length of a line was measured repeatedly on three different occasions and probable error of each mean value was computed with the following results shown below. Determine the weighted mean of the three sets of measurements.

1st set of measurements= 1201.50±0.02m
2nd set of measurements=1201.45±0.04m
3rd set of measurements=1201.62±0.05m
Transcribed Image Text:1st set of measurements= 1201.50±0.02m 2nd set of measurements=1201.45±0.04m 3rd set of measurements=1201.62±0.05m
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