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# The density of a rock will be measured by placing it into a graduated cylinder partially ISBN: 9780073401331 38

## Solution for problem 9 Chapter 3.3

Statistics for Engineers and Scientists | 4th Edition

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Problem 9

The density of a rock will be measured by placing it into a graduated cylinder partially filled with water, and then measuring the volume of water displaced. The density D is given by D = m/(V1 V0), where m is the mass of the rock, V0 is the initial volume of water, and V1 is the volume of water plus rock. Assume the mass of the rock is 750 g, with negligible uncertainty, and that V0 = 500.0 0.1 mL and V1 = 813.2 0.1 mL. Estimate the density of the rock, and find the uncertainty in the estimate.

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Week 4: Bivariate Data 27 September 2016 Basic Statistics for Research Professor HK Dong Wendy Liu Bivariate/multivariate data – observations on two or more variables Marginal totals – total frequency of any row or column of a data table, given in the right-hand margin or bottom margin Simpson’s paradox – reversal of conclusions from a data table after combining several data...

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##### ISBN: 9780073401331

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