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(2 points) An experiment is conducted to determine whether there is a differnce among the mean increases in growth produced by five strains (A, B, C,...
difference
(2 points) An experiment is conducted to determine whether there is a differnce among the mean increases in growth produced by five strains (A,B, C, D and E) of growth hormones for plants. The experimental material consists of 20 cuttings of a shrub (all of equal weight), with four cuttingsrandomly assigned to each of the five different strains. The increases in weight for each cutting along with the sample mean and sample standarddeviation of each group are given in the table below.ABCDEPlant 1102425139Plant 2172120176Plant 31125201610Plant 4915251710Mean11.7521.2522.515.758.75Standard Dev. 3.5940 4.5000 2.8868 1.8930 1.8930It is also given that the overall mean = 16.Compute the following:(a) SSTR=(b) SSE =(c) MSTR =(d) MSE =(e) F =