is Question: 1 pt 3d?3 (2 complete) This Quiz: 41 pt Find the variance for the g

Question

is Question: 1 pt 3d?3 (2 complete) This Quiz: 41 pt Find the variance for the glven data Round your answer to one more decimal place than the original data The owner of a small manufacturing plant employs sx people As part of their personnel fie, she asked each one to record to the nearest one-tenth of a mile th dáistance they travel one way from home to work The six distances are listed below 51 62 47 56 18 27 A. 12.502 4 m O B. 225m OD. 26.9 m? Cick to select your answer 1204/17 Practice Test 3 96

Explanation / Answer

mean = (51 + 62 + 47 + 56 + 18 + 27) / 6 = 43.5

variance = [(51 - 43.5)2 + (62 - 43.5)2 + (47 - 43.5)2 + (56 - 43.5)2 + (18 - 43.5)2 + (27- 43.5)2 ] / (6 - 1) = 297.9

Option-C) 297.9                                                                                               

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