Consider a completely randomized experiment comparing the me…

Consider a completely randomized experiment comparing the mean GPA between freshmen (F), sophomores (S), and juniors (J). 90% confidence intervals for every pairwise difference in their mean are shown below.  Tukey multiple comparisons of means 90% family-wise confidence level Fit: aov(formula = y ~ factor(x)) $`factor(x)` diff lwr upr p adj S-F 0.1286518 0.02725011 0.230053533 0.0262705 J-F -0.1045207 -0.20592244 -0.003119018 0.0870104 J-S -0.2331726 -0.33059617 -0.135748937 0.0000085 Order the class GPA from lowest to highest. < <

You work for a general contractor in a design-bid-build cont…

You work for a general contractor in a design-bid-build contract. As part of the project you have to install FRP panels for the exterior walls of a building. Installation of the panels is a huge task that is both costly and time consuming. According to specs “The panel shall be a type E085-P31 Kemply by Kemlite”. However, you have identified an alternative panel type called panel X which not only has superior properties but also could significantly reduce the costs of wall construction. Which of the following actions you will most likely take and why?