For the data of Exercise 14.16, convert the husbands’ and wives’ expenditures to ranks, then determine and interpret the Spearman coefficient of rank correlation. At the 0.05 level, does rs differ significantly from 0?
Answer to relevant QuestionsA Republican and a Democrat candidate for political office have each rated the 12 most recent pieces of legislation in their state from 1 (most beneficial to the state) to 12 (least beneficial). Given the data shown here, ...For the first 43 Super Bowl games, the winning margins are listed in file XR14061. At the 0.10 level of significance, can this sequence be considered as other than random? Identify and interpret the p-value for the test. In a fast-food restaurant, it’s desirable to have seats that are comfortable but not too comfortable. Patrons sitting at a seat that is too comfortable may tend to linger and tax the capacity of the restaurant. In an ...For a random sample of drivers using an automated toll booth that requires exact change, the following data show the elapsed time (in seconds) from the moment the vehicle stopped to the moment it began to move away following ...Five computer operators have been asked to rate four different workstation arrangements in terms of comfort with 1 = very uncomfortable to 10 = very comfortable. Their ratings are in file XR14084. At the 0.05 level, could ...
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