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3. (12 marks) Scientists studied the relationship between the length of the body of a bullfrog and how far it can jump. Eleven bullfrogs were included in the study. The results are given in the T 95132 _Q.3_Data a) Identify both response and explanatory variables. b) Do you think a linear relationship is appropriate here? Explain briey. c) Obtain the correlation coefcient. d) Write down the least-squares regression equation. e) Interpret the slope estimate in the context of the problem. f) Interpret the intercept estimate in the context of the problem. g) Explain the meaning of r2 in the context of this problem. h) Estimate the maximum jump for a frog that is 120mm. Comments on your findings. i) Obtain residual of the frog #1]. j) What does that negative residual mean, in general? It) What does that positive residual mean, in general? fx A B C D 8 7 136 109 9 172 105 10 158 113 11 10 162 114 12 11 162 123 13 1 4