Contrast equality of group means Table 3. Descriptive Statistics of the Groups Dependent variable Means Size of sample Field Course UCC 68.363 22.363 294 UASLP 71.378 25.747 214 UPA 70.615 30.682 164 Total 69.873 25.471 672 Contrast equality of group means Wilks’ lambda 0.972 0.731 F 9.524 122.990 Sig. 0.000 Source: own Arturo García-Santillán et al. Empirical Study on Students and their Attitudes toward Statistics Course and Statistical Field. American Journal of Educational Research, 2014, Vol. 2, No. 12, 1151-1159. doi:10.12691/education-2-12-4 © The Author(s) 2014. Published by Science and Education Publishing.