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What is the null hypothesis and alternative hypothesis?

What is the null hypothesis and alternative hypothesis?

MATLAB: An Introduction with Applications
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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What is the null hypothesis and alternative hypothesis?

Twenty participants were given a list of 20 words to process. Then 20 participants were randomly assigned to one of two treatment conditions. Half Shallow Deep Processing Processing 13 12 were instructed to count the number of vowels in 12 15 each word (shallow processing). Half were instructed to judge whether the object describe by 11 14 each word would be useful if one were stranded on 14 a desert island (deep processing). After a brief distractor task, all subjects were given a surprise free recall task. The number of words correctly 11 13 13 12 14 15 recalled was recorded for each subject. Here are the 14 14 data. 14 16 Did the instructions given to the participants significantly affect their level of recall at 10% level of significance? 15 17
Transcribed Image Text:Twenty participants were given a list of 20 words to process. Then 20 participants were randomly assigned to one of two treatment conditions. Half Shallow Deep Processing Processing 13 12 were instructed to count the number of vowels in 12 15 each word (shallow processing). Half were instructed to judge whether the object describe by 11 14 each word would be useful if one were stranded on 14 a desert island (deep processing). After a brief distractor task, all subjects were given a surprise free recall task. The number of words correctly 11 13 13 12 14 15 recalled was recorded for each subject. Here are the 14 14 data. 14 16 Did the instructions given to the participants significantly affect their level of recall at 10% level of significance? 15 17
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