I’m riding a recumbent bicycle while wearing my smartwatch, hoping that tracking my fitness and health metrics will inspire me to exercise more. The smartwatch is no longer just for texting, music and ...

The meaning of Sigma in statistical analysis is a function of whether you use the upper or lower case of the letter. The ...

A chi-square (χ2) statistic is a test that is used to measure how expectations compare to actual observed data or model ...

Hypertargeting enables incredible precision and personalization in advertising, leading to enhanced engagement and improved return on investment. Assessing goals, audience data, product service and ...

NPR's Adrian Ma speaks to Sam Levine, former director of the FTC's Bureau of Consumer Protection, now at UC Berkeley, about the use online data to charge some customers more for products and services.