Question

voru) Stress test score and blood pressure for 5 people are shown below. Blood pressure Stress Test Score 70 91 78 788562 96 806092 53 94 64 73 826080757086 a) Prepare the scatter diagram for these variables. Please describe the relationship between these 2 variables based on the scatter diagram. b) Calculate the covariance between these 2 variables. Using covariance, comment on the relationship between the variables. c) Calculate the coefficient of correlation. Does correlation coefficient provide additional information about the relationship between the variables? Explain.