The following data relate to the marks of 10 students in the internal test and the university examination for the maximum of 50 each Internal marks 25 28 30 32 35 36 38 39 42 45 University marks 20 26 29 30 25 18 26 35 35 46 i) obtain the two regression equations and determine ii) the most likely internal mark for the university mark of 25. iii) the most likely university mark for the internal mark of 30.

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