Hotels’ use of ecolabels. Refer to the Journal of Vacation Marketing (January 2016) study of travelers’ familiarity with ecolabels used by hotels, Exercise 2.42 (p. 70). Recall that a sample of 392 adult travelers were shown a list of 6 different ecolabels, and asked, “How familiar are you with this ecolabel, on a scale of 1 (not familiar at all) to 5 (very familiar).” The mean and standard deviation of the responses for each ecolabel are provided in the table. Which of the ecolabels had the most variation in numerical responses? Explain.
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