Question

Bidri is a popular and traditional art form in India. Bidri articles (bowls, vessels, and so on) are made by casting from an alloy containing primarily zinc along with some copper. Consider the following observations on copper content (%) for a sample of Bidri artifacts in London’s Victoria and Albert Museum (“Enigmas of Bidri,” Surface Engineering [2005]: 333– 339), listed in increasing order:
a. Construct a dotplot for these data.
b. Calculate the mean and median copper content.
c. Will an 8% trimmed mean be larger or smaller than the mean for this data set? Explain your reasoning.


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  • CreatedSeptember 19, 2015
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