Question

Instructions: Answer each of the following questions. For problem solving questions, all work must be shown in detail (Plain answers will earn no credit). Round your answer to the second decimal place. For questions that require Minitab, copy an appropriate image from Minitab, paste it to a document (e.g., Microsoft Word), then print the page. 1. (20 pts) The data below shows a set of heights (x) and weights (y) of 10 students. į 1 Xi 63 Yi 127 2 64 121 3 66 142 Table 1: 4 5 6 69 69 71 157 162 156 7 71 169 8 72 165 9 73 181 10 75 208 xz. (a) To obtain the estimated regression function (j = bo + b12), calculate xi, yi, xiyi, (b) Estimate the slope bı. (c) Estimate the y-intercept bo. (d) Do the weights and heights have a positive relationship or negative relationship? Explain.

Answer 1

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