A grocery store owner would like to know if his shoppers are happy with the shopping experience in his store. Which of the following methods would be the best for choosing a random sample that is a fair representation of his shoppers?

In e. c. tolman's experiment, some rats were trained to run through mazes for standard food goals, while other rats were allowed to explore the mazes for 10 days without food goals or other rewards. later, when food rewards were placed in a box at the far end of the maze, the previously unrewarded rats reached the food box as quickly as the rewarded rats after only one or two trials. this experiment demonstrated that the rats had the ability to form of their surroundings.

Initially what happened to marigold litton after each test session

According to the article 13 of the articles of confederation,what percentage of votes by the states was required to ratify any amendments