Consider the following data set z represents the month, y represents the number of dialysis patients treated. V a. 1 5 C. 5 6 7 2 3 4 9 7 14 14 8 19 21 23 Use CAS to find the equation of the linear regression line in the form y = a + bx. Write your values correct to two decimal places. b. What is the value of the Pearson's correlation coefficient (r)? Comment on the strength, direction and form of the data.

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