A college student is interested in whether presoaking time has an effect on cleanliness of clothing. He collects the dirty clothes from all of the people in his dorm and randomly assigns clothing to one of four presoak time conditions: 5 minutes, 10 minutes, 15 minutes, 20 minutes. He then asks members of another dorm to rate the cleanliness of the items (they don’t know which clothing got which soaking time). The data are presented below.A) Perform an ANOVA by hand (SHOW ALL OF YOUR WORK by taking a photo of your handwork and either inserting it into the word document or uploading it as a separate file.)B) ANSWER QUESTION:Did the college student reject the null hypothesis? (yes or no) Presoak Time5 min10 min15 min20 min23866.6.1176.6.9.6.7612M4.676.339.177.67GrandSD1.752.422.141.51TotalsΣχ28385546Σχ2146270527364T=t =[T) =A =[A] =a =[AS] =AS =S =as =SOURCESSdfMSBGWGТОTALFcrit.05) =

1 A) Compute the grand mean using the formula: x¯=∑ix¯ik Where, x¯i is the mean of the ith group and…

Answered: A college student is interested in…

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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Question

A college student is interested in whether presoaking time has an effect on cleanliness of clothing. He collects the dirty clothes from all of the people in his dorm and randomly assigns clothing to one of four presoak time conditions: 5 minutes, 10 minutes, 15 minutes, 20 minutes. He then asks members of another dorm to rate the cleanliness of the items (they don’t know which clothing got which soaking time). The data are presented below.

A) Perform an ANOVA by hand (SHOW ALL OF YOUR WORK by taking a photo of your handwork and either inserting it into the word document or uploading it as a separate file.)
B) ANSWER QUESTION:

Did the college student reject the null hypothesis? (yes or no)