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A. Did the classmate conduct the correct analysis? Explain.B. Are the results statistically significant? Explain.C. How would you calculate the proportion of variance in base

A. Did the classmate conduct the correct analysis? Explain.B. Are the results statistically significant? Explain.C. How would you calculate the proportion of variance in base stealing accounted for by birth order?

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1. Sulloway and Zweigenhaft (2010) examined the relationship between birth order and risk taking among major league baseball players. They found that first borns were less likely to steal bases than later borns. One of your classmates examined this relationship by watching one season of baseball games by one college team and recording the birth order of the players and whether or not the player stole a base during the season. Birthorder x Stolenbase Crosstabulation Stolenbase Stole at No bases least one stolen base Total Birthorder First borns Count 10 7 17 Expected 12.6 4.4 17.0 count Later Count 16 2 18 borns Expected 13.4 4.6 18.0 count Total Count 26 9 35 Expected 26.0 9.0 35.0 count Chi-Square Tests Asymptotic Significance Exact Sig. Exact Sig. Value df (two-sided) (two-sided) (one-sided) Pearson Chi-Square 4.137a 042 Continuity 2.713 .100 Correction Likelihood Ratio 4.311 1 038 Fisher's Exact Test 060 049 Linear-by-Linear 4.019 1 045 Association N of Valid Cases 35 a2 cells (50.0%) have expected count less than 5. The minimum expected count is 4.37. Computed only for a 2 x 2 table

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