A person stands on a bathroom scale. The reading is 150 lb. After the person gets off the scale, the reading is 2 lb.

a. Is it possible to estimate the uncertainty in this measurement? If so, estimate it. If not, explain why not.

b. Is it possible to estimate the bias in this measurement? If so, estimate it. If not, explain why not.

Answer

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The given information is a person stands on a bathroom scale the reading is 150 lb

When he gets off the reading is 2lb

a) Uncertainty can be measurable for repeated measurements not for single measurement.

here we are having only one measurement

So, we can’t we find the uncertainty for this single measurement