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| 1. |
An object was weighed by a physical balance and following readings were obtained:5.04 g, 5.06 g, 4.97 g, 5.00 g, 4.93 g.Find:i. Mean value ii. Mean absolute error iii. Percentage error |
| Answer» MEAN value=5.06+5.04+4.97+5.00+4.93÷5=5mean ABSOLUTE error=5.06-5=0.065.04-5=0.044.98-5=-0.045.00-5=04.93-5=0.07=|0.06|+|0.04|+|0.04|+|0|+|0.07|÷5=0.156percentage errormean absolute error÷mean×1000.154÷5×1000.0308×1003.08% | |