1. A psychologist is interested in studying the effects of fatigue on mental alertness. She decides to study this question using a between-subjects design. She randomly assigns individuals to two groups (Group 1 stays awake for 24 hours; Group 2 goes to sleep). After this period, each subject is tested to see how well they detect a light on a screen. The dependent variable is the subjects' number of mistakes, which reflects their mental alertness. The higher the number, the less alert they are. Here are the results from the two groups. Group 1 (Awake) Group 2 (Sleep) 5 10 mean 35 24 SS 120 270 Using an independent samplest test, answer the question of whether fatigue adversely affects mental alertness (a = 0.05). (Do this test by hand.) %3D

1. A psychologist is interested in studying the effects of fatigue on mental alertness. She decides to study this question using a between-subjects design. She randomly assigns individuals to two groups (Group 1 stays awake for 24 hours; Group 2 goes to sleep). After this period, each subject is tested to see how well they detect a light on a screen. The dependent variable is the subjects' number of mistakes, which reflects their mental alertness. The higher the number, the less alert they are. Here are the results from the two groups. Group 1 (Awake) Group 2 (Sleep) 5 10 mean 35 24 SS 120 270 Using an independent samplest test, answer the question of whether fatigue adversely affects mental alertness (a = 0.05). (Do this test by hand.) %3D

Name: 33. Independent Samples t Tests1. A psychologist is interested in stu
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Description: 33. Independent Samples t Tests1. A psychologist is interested in studying the effects of fatigue on mentalalertness. She decides to study this question using a between-subjectsdesign. She randomly assigns individuals to two groups (Group 1 staysawa

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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