This undated publicity photo provided by Birchbox shows a typical monthly beauty sample shipment. Consumers can subscribe to companies like Birch Box to receive monthly shipments of beauty product ...

I’ve always felt that if I had a demonstrably better product than competitors and could only afford to implement one marketing element, it would nearly always be sampling. Sampling breaks through the ...

Visualization methods enhance our understanding of sample data and help us make comparisons across samples. Box plots are a simple but powerful graphing tool that can be used in place of histograms to ...