An experimental psychologist is interested in whether the color of an animal's surroundings affects learning rate. He tests 16 rats in a box with colorful wallpaper. The average rat (of this strain) can learn to run this type of maze in a box without any special coloring in an average of 25 trials, with a variance of 64, and a normal distribution. The mean number of trials to learn the maze, for the rats tested with the colorful wallpaper, is 11.
-What is the μ_M?

Question

Quizplus · Accepted Answer

The μ_M (population mean) refers to the average number of trials it takes for the average rat of this strain to learn to run the maze in a box without any special coloring, which is given as 25.

An Experimental Psychologist Is Interested in Whether the Color of an Animal's