On June 24 2009 the 2008 American Time Use Survey
On June 24, 2009, the 2008 American Time Use Survey was released by the Bureau of Labor Statistics. Among the many statistics provided was information on leisure-type activities and the average amount of time spent on various categories. For 15- to 19-yearolds, the average time spent playing games and using the computer for leisure was 42 minutes per day. Suppose 20 15- to 19-year-olds were randomly selected and monitored for a day, with the number of minutes they spent on these leisure activities being recorded. The resulting sequence of times are given as:
a. Determine the median and the number of runs above and below the median.
b. Use the runs test to test these data for randomness about the median.
c. State your conclusion.
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