Based on the following simplex tableau, what is the dparting variable for the next iteration? x1 x2 s1 x3 1 s1 s2 s2 4 2 1 Sol s3 1 40 3 F -0.5 30 -20 -25 15 O A. x1 O B. s1 OC. s2 O D. s3 el Click to select your answer.
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- choose one of the following procedures for each of the research scenarios described. In a rural school 202 students from a total school population of 723 suffer from malnutrition while in an urban school, 167 students from a total of 1 001 suffer from malnutrition. A master’s degree student wants to determine whether suffering from malnutrition is dependent on the region (urban versus rural) in which the school is situated.For the queation- "In fact, some new research suggests that to ensure a productive conversation the maximum message length should be no more than 8 words greater than the minimum message length in any conversation." Is maximum messge length the response or explanatory vairable? Hence, is minimum mesage length the reposne or explanatory variable?For example, for student ID s1243657, the 4th digital of s1243657 is “3”, therefore variable “A” is “Use interactive activities”; the 5th digital of s1243657 is “6”, therefore variable “B” is “Give a lot of assignments”; the 6th digital of s1243657 is “5”, therefore variable “C” is “Good communication skills. Take student id S12042516 as an example. With the data collected, Dr Tian ran a test to see if there were significant relationships between A, B, C and satisfaction toward e-learning. i ) Suggest the test that should be used and explain your reason. State the independent and dependent variables, underlying null and alternative hypotheses.
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