A Calculus subject is taught by Mr. X to 12 students by a conventional class room procedure. A second group of 10 students wag given the same course using technology enhancement. At the end of the course. the same examination was given to each group. The 1St 12 students made an average grade of 84 with SD of 4, while the other 10 students that used technology made an average of 87 with SD of 5. Test the hypothesis that the 2 learning methods are equal. Assume that the populations are approximately normal with equal variances. o = 0.1. What is the value of the t statistic? 0 -1.0347 0 4.5645 0 1.2416 0 4.1624