Please answer the following multiple choice questions :) (these are all part of one question) Researchers conducted a completely randomized experiment, collecting 60 observations. A two-way ANOVA was used for analysis where the categorical variables had 3 and 4 levels respectively. a) What is the number of treatments? A. 20 B. 15 C. 5 D. 12 E. 60 b) What is the degree of freedom of the error sum of squares, SSE? A. 2 B. 48 C. 3

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A: Givensample size(n1)=22sample size(n2)=19

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Q: Pnnnn

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A: We know that

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