13. The following is an incomplete ANOVA source table summarizing the results of a study of the variance of reaction times during a training exercise in a sample of 14 highly experienced, 14 moderately experienced, and 14 inexperienced athletes.

\fTABLE 1. Means and Standard Deviations for Self-Esteem Race/Ethnicity African Hispanic/ F-Value Caucasian American Latino/Latina Social Acceptance Adolescents 3.15 (.76) 3.13 (.74) 3.38 (.51) 1.17 Mothers 3.23 (.67) 3.44 (.55) 3.25 (.60) 1.21 Fathers 2.98 (.71) 3.36 (.62) 3.20 (.66) 2.81 Physical Appearance Adolescents 2.82 (.85) 3.06 (.77) 2.92 (.75) 0.81 Mothers 2.49 (.84) 2.82 (.84) 2.70 (.70) 1.56 Fathers 2.79 (.51) 3.14 (.82) 3.13 (.65) 3.16* Athletic Competence Adolescents 2.79 (.87) 2.96 (.80) 3.18 (.66) 1.96 Mothers 2.04 (.79)a 2.49 (.78) 2.07 (.64)a 3.95* Fathers 2.79 (.58) 2.90 (.68) 2.88 (.75) 0.27 Global Self-Worth Adolescents 3.34 (.60) 3.35 (.66) 3.25 (.65) 0.23 Mothers 3.17 (.76) 3.32 (.67) 3.24 (.71) 0.39 Fathers 2.96 (.62) 3.33 (.72) 3.38 (.53) 4.59* Note: Standard deviations are in parentheses. Different superscripts signify significant mean differences. *p <.05 sum sq mean f value pr> F) gender 1 2295 2295.1 45 . 45 2. 68e-09 *** Residuals 76 3838 50.5 Signif. codes: 0 ' * * *' 0. 001 ' * *' 0. 01 '*' 0. 05 '. ' 0.1 ' ' 1Df Sum Sq Mean Sq F value Pr(>F) Diet 3 155863 51954 10.81 6. 43e-07 *** Residuals 574 2758693 4806 Signif. codes: D ' * * * ' 0 001 ' * *' 0. 01 '*' 0. 05 '. ' 0. 1 ' ' 1\fSource of Variation SS df MS F Between groups Within groups 50 Total 80