Data from Mexico. Refer to the previous exercise. A similar study in Mexico was conducted with 31 women and 20 men. The women averaged 14,704 words per day with a standard deviation of 6215. For men the mean was 15,022 and the standard deviation was 7864.
(a) Answer the questions from the previous exercise for the Mexican study.
(b) The means for both men and women are higher for the Mexican study than for the U.S. study. What conclusions can you draw from this observation.