GIVE TYPED WRITING SO I CAN UNDERSTAND CLEARLY.

Kindly give correct answers and step by step working.do not skip steps.Mention clearly about the formula and the conversion.be very clear.do not skip steps.be very clear.NUMBER THE ABS CLEARLY

STA JANUARY 2018

QUESTION 3 a) The following are the MINITAB results on CGPA and starting salaries (in RM'OO) of seven graduates. Regression Analysis: Salary versus CGPA Predictor Coef SE Coef P Constant 7. 712 3. 001 2.57 0. 050 CGPA 5. 5429 0. 9941 5.58 0.003 S - 1. 82349 R-Sq - 86.18 R-Sq(adj) = 83.4% Based on the output, answer the following questions. i) Identify the independent and dependent variable. (2 marks) ii) Explain the value of the correlation of determination. (2 marks) ifi) State the estimated regression line. (2 marks) iv) Interpret the value of the slope of the regression line obtained in (iii). (1 mark) Estimate the salary obtained when the CGPA is 3.15. (2 marks) b ) The following table shows the data on the experience (in years) and monthly salaries (RM '00) of 9 secretaries selected randomly. Experience 14 3 5 6 4 9 18 5 16 Salary 22 12 15 17 15 19 24 13 27 i) Plot the scatter diagram for the given data. (3 marks) ii) Compute the Pearson product moment correlation coefficient. (5 marks) iii) Explain the meaning of the value obtained in (ii). (1 mark)