The cash-assistance, goods, and services provided by the government to better the lives of those at the bottom of the income distribution are known as the:

What should a food worker use to retrieve ice from an ice machine?

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.

In the 1970s, kmart used blue light specials to encourage customers to flock to a particular department having a temporary sale. a spinning blue light activated for approximately 30 seconds, and then an in-store announcement informed shoppers of the special savings in the specific department. over time, loyal kmart shoppers learned to flock to the department with the spinning blue light before any announcement of special savings occurred. if kmart was employing classical conditioning techniques, what role did the spinning blue light play?