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...Physics experiment measurement random error analysis th advanced reading from by giancoli edition sections part a of length and equipment longer be square errors ruler parallax should avoided vernier caliper placing the scale against ob micrometer ject to measured several coins in using tenths division are not esti objective mated they read off object this is notice that divi twofold sions on corre sponds divisions main learn measure lengths therefore mark which best lines up with gives tenth become acquainted smallest types statistical see fig methods for analyzing one s data estimating its ac curacy determine density figure block metal theory centimeters cen three things timeter must remembered barrel then thousandths estimated centimeter half thimble since ends only goes thou used may sandths have damaged no turned twice move if over every will too large halfway between marks amount zero correc tion subtracted added each when closing ten small knurled knob so correction mi crometer ...