A random sample of adults with no children under the age of 18 years results in a mean daily leisure time of hours, with a standard deviation of hours. A random sample of adults with children under the age of 18 results in a mean daily leisure time of hours, with a standard deviation of hours. Construct and interpret a % confidence interval for the mean difference in leisure time between adults with no children and adults with children .

Atravel agent is booking a trip to england, scotland, ireland, and france for a group of senior citizens. the agent sent surveys to the group, asking which countries they would like to visit, in order, and created the shown preference schedule (e = england, i = ireland, s = scotland, f = france). which country is the condorcet winner? number of votes 15 12 16 19 1st f e e i 2nd e s i s 3rd s i s e 4th i f f f 1. scotland 2. england 3. france 4.ireland