A clinical trial is run to assess the effects of different forms of regular exercise on HDL levels in persons…

The accompanying table illustrates the number of movie theaters showing a popular film and the film's weekly gross earnings, in…

Researchers have collected data on the hours of television watched in a day and the age of a person. You…

The torque, T Nm, required to rotate shafts of different diameters, D mm, on a machine has been tested and…

An observational study is conducted to investigate the association between age and total serum cholesterol. The correlation is estimated at…