Two sets of elementary school children were taught to read by different methods, 50 by each method. At the conclusion of the instructional period, a reading test gave results 1 = 74, 2 = 71, s1 = 9, and s2 = 10. What is the attained significance level if you wish to see if there is evidence of a real difference between the two population means? What would you conclude if you desired an a-value of 0.05?