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Unformatted text preview: STA 3024 Homework 3 Section 7459 Form B Name: UFID: This form is only for students whose UFID number begins with 0, 4, 5, or 9. Answer all problems neatly . If you turn in more than one piece of paper, they must be stapled . Work that isn’t neat or stapled may lose points. You don’t need to turn in this problem listing, but you do need to include your name , UFID number , and form code on your homework. 1. Show for any group i of size n i that ∑ n i j =1 ˆ e ij = 0. 2. In the table below the means are given followed by the standard deviation (in parentheses); there were 40 observations in each group. Conduct both a twoindependent groups ttest (2sided) and the steps for performing an Analysis of Variance. Do you reach the same conclusion with both? Does this make sense? Group A Group B 39.42 59.59 (3.24) (4.86) 3. For each of the following scenarios, say what the factor is and what its levels are....
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 Spring '08
 TA
 Standard Deviation, Real estate agent, Associated Octel Company, Story Library, diﬀerent voice types

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