3a. [1 point] Produce beautiful reader-friendly side-by-side boxplots for the variable MDI (one boxplot for each Tri). ( You do not need to comment on the distributions.. Just paste in the graph. ] 3a. ANSWER 3b. (3 points] Conduct a t-test addressing the equality of the means of MDI in the two treatment groups. The Stata output for this problems is provided: [test Mdi, by(Trt) unequal level(90) Two-sample t test with unequal variances Group 0bg Hean Std. Err. Std. Dev. [90% Conf. Interval] No surge 51 103.7059 2.256893 16.11744 99 . 92354 107 . 4802 With Sur 49 106.2449 2. 240872 15 . 7421 102.473 110. 0168 combined 180 104.95 1. 590526 15 . 90526 102 . 2091 107. 5909 diff -2. 629018 3. 106062 -7.829840 2. 761617 diff = mean (No Surge) - mean(With sur ) t = -0. 7969 Ho: diff = 0 Satterthwaite's degrees of freedom = 97.9722 Ha: diff 6 Pr(T [t|) = 0.4274 Pr (T > t) = 0. 7063 [Include the usual steps: state the null and alternative hypotheses in words and in symbols, state and check the assumptions to the extent possible (regardless of whether the assumptions are met, continue to conduct