Please answer the problem below. You may use excel for the computation. You can still use the manual computation if you have difculty using Excel. You may compute manually the mean and standard deviation and follow the examples in the lecture to do the step-by-step process of hypothesis testing. The grades of college Freshmen selected at random enrolled in College Algebra using 2 different methods of teaching namely Traditional and Computer Aided Instruction, are as follows: Traditional Computer Aided Instruction 2.0 1.25 2.?5 1.5 1.5 1.?5 2.25 2.0 2.5 1.?5 1.5 2.0 2.25 1.25 1.50 1.5 1.?5 1.?5 2.5 1.25 2.5 Determine if there is a signicant difference in the grades of the students resulting from the use of two different methods of teaching at a 0.05 level of signicance. Upload your answers via Word file or via capture of a picture on your paper. Answer this question using the One-Way ANOVA with Equal Sample Sizes: Weights (kg) of poplar trees were obtained from trees planted in a sandy and dry region. The trees were given different treatments identified in the table below. Use a 0.05 significance level to test the claim that the four treatment categories yield poplar trees with the same mean weight. Is there a treatment that appears to be most effective in the sandy and dry region? UNIVERSITY No Treatment Fertilizer and Fertilizer Irrigation Irrigation 1907 0.60 1.16 0.65 0.22 1.11 0.93 0.08 2.13 0.07 0.30 0.62 2.33 0.07 0.59 0.01 1.74 0.44 0.17 0.03 0.12