2. Imagine you ran four experiments and decided to do a difference of means ttest to examine the difference between one treatment group and 1 control. For the following four analyses, calculate the tstatistic and tell me if the relationship is statistically signicant. (10%) Example 1 Example 2 Example 3 Example 4 n 10000 10 100 10000 Mean of Y for Control 5 4 4 5 (Y2) Mean of Y for Treatment 4 8 8 4 (Y1) SE(Conlrol Treatment) 0.2 2 2 0.8