Question: Hotel sizes and numbers of employees. A human resources study of hotels collected data on the size, measured by number of rooms, and the number of employees for 14 hotels in Canada. Here are the data:

Employees Rooms

1200 1388

180 348

350 294

250 413

415 346

139 353

121 191

275 424

105 240

435 601

585 1590

560 380

166 297

228 108

(a) To what extent can the number of employees be predicted by the size of the hotel? Plot the data and summarize the relationship.

(b) Is this the type of relationship that you would expect to see before examining the data? Explain why or why not.

(c) Calculate the least-squares regression line and add it to the plot