JUNE 2018 Q5

QUESTION 5 A long jump coach believes that the distance jump depends on the height of the players. A sample of ten players was selected and their height were measured. The information gathered is shown below: Height of player Distance jumped (in inches) (in inches) 78 88 72 82 65 74 68 79 65 72 73 85 74 84 70 80 76 84 74 86 a) Calculate the Pearson's Product Moment Correlation coefficient and comment on the value obtained. (5 marks) b) Calculate the coefficient of determination and explain its meaning. (3 marks) c) Find the least square regression equation by using least square method. (5 marks) d) Explain the meaning of the slope coefficient obtained in the above regression line