Description:
The dataset presented in this article, created by Singfat Chu of the National University of Singapore, contains information on the prices and weights of diamond stones; it can be used to illustrate simple linear regression and encourage students to think critically about the appropriateness of a model. The data is in .dat format. Some of the key concepts includes: extrapolation interpretation of intercept, model-building and transformations. This is an excellent example of how statistics can easily be applied to many different fields of study.
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