Question

According to the National Education Association (NEA), teachers generally spend more than 40 hours each week working on instructional duties (NEA website, April 2012). The following data show the number of hours worked per week for a sample of 13 high school science teachers and a sample of 11 high school English teachers.


a. What is the median number of hours worked per week for the sample of 13 high school science teachers?
b. What is the median number of hours worked per week for the sample of 11 high school English teachers?
c. Which group has the highest median number of hours worked per week? What is the difference between the median numbers of hours worked perweek?


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  • CreatedFebruary 16, 2015
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