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Correlation coefficient and coefficient of determination The following table gives the heights and weights of 10 friends: Name Height (cm) Weight (kg) Cecily 180 81 Emily 176 65 Candice 144 52 David 195 94 Emily 160 85 a. From the information below, determine the Pearson correlation coefficient correct to 3 decimal places. b. Interpret the data using the coefficient of determination (r').Probability: A bag holds 4 purple marbles and 6 blue marbles. A marble is chosen at random and not replaced before choosing another one. Complete this tree diagram, then answer the questions that follow: purple purple blue purple blue blue a) What is the probability of getting 2 blue marbles? - b) What is the probability of getting a purple marble at least once