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Problem 4 8.0 points possible (graded, results hidden) Here is the count of likes on a facebook post along with the number of times it was shared. Count of likes 100 150 200 240 300 360 400 500 Number of times shared 10 20 30 40 50 60 70 80 a. Determine the correlation coefficient r between the two variables. Answer in exact fraction, or rounded to at least 4 decimal places. b. Determine the slope coefficient By for the regression of the count of likes on a Facebook post given the number of times shared. Answer in exact fraction, or rounded to at least 3 decimal places.

Answer in exact fraction, or rounded to at least 3 decimal places. c. Determine the y-intercept Bo for the regression of the count of likes on a Facebook post given the number of times shared. Answer in exact fraction, or rounded to at least 3 decimal places. d. What will be the count of likes on a Facebook post if the post is shared 45 times? Answer in exact fraction, or rounded to at least 3 decimal places. Submit You have used 0 of 2 attempts Save