Stats Assignment_ Assignment 1

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York University *

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2022

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Arts Humanities

Date

Dec 6, 2023

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pdf

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Wesley McCutcheon January 31st, 2023 Stats Assignment: Assignment 1 Student ID: 218692178 Email: Wesley88@my.yorku.ca Question One:

Wesley McCutcheon January 31st, 2023

Wesley McCutcheon January 31st, 2023 Stats Assignment Question 1: Short Report The question addressed the topic of various dust types and if they were related to the number of asthma attacks suffered by children in the one year following exposure. The population size was 18 children. I found the results using ANOVA to be that when looking at the F-stat value and the F-critical value, it was found that the F-stat value was more significant than the F-crit value, meaning we reject Ho in which I concluded that at least one mean is diff. I then completed an LSD post hoc comparison test to figure out which mean was statistically insignificant. I located the tcrit (15) value to be 2.131. My report was that the test front vs. middle (X1, X2) was found to have a value of 2.27, meaning it was statistically significant. Next, I tested front vs. back (X1, X3) and found a value of 3.18, which was also statistically significant. Lastly, I tested middle vs. back (X2, X3), which had a value of 0.909, meaning it was not

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Wesley McCutcheon January 31st, 2023 statistically significant. There was a significant difference in the various dust types and the number of asthma attacks suffered by children in the one year following exposure. Question 2:

Wesley McCutcheon January 31st, 2023 2.D) Is there a difference among the faculties on the amount of time spent on their thesis? F(Critical) = F(0.05, 11.84) = 1.90 < 2 There is indeed a difference among the facilities and the amount of time they spent on their thesis due to the fact that we reject the null hypothesis because between facilities there is a significant difference in which students had completed their PhDs. 2.E) What is the effect size for the main effect of faculty h2= SSeffect/ SStotal

Wesley McCutcheon January 31st, 2023 = 16.5/(16.5 + 54)= 0.234

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Stats Assignment_ Assignment 1

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