Mathematics, 04.07.2019 22:10 abecobos37
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 μm ? • a. 8• b. 11• c. 25• d. 64
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