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

oskrnavih92j

oskrnavih92j

Answered question

2022-03-02

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 & Explanation

Donald Erickson

Donald Erickson

Beginner2022-03-03Added 8 answers

Given that,
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) No, it is not possible to estimate the uncertainty for this measurement.
Because there are no repeated measurements,
Uncertainty can be calculated only for repeated measurements but not from a single value.
b) No, it is not possible to estimate the bias for this measurement.
Because there are no mean difference between the values.
Bias is defined by finding the difference between the mean and the actual value.

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