A Random Sample of 100 Students Were Randomly Selected from Your

question 2

Multiple Choice

A random sample of 100 students were randomly selected from your school and their average grade was recorded,as a percentage,for the 2010/2011 school year.In order to compute a bootstrap confidence interval for the mean,200 subsequent bootstrap samples were taken and the 200 resulting sample means were ordered from lowest to highest.The first 10 and last 10 ordered means are given below:
Use the percentile method to compute a 95% bootstrap confidence interval for the true average grade of all students at your school.

• A)(60.44,80.98)
• B)(61.67,80.57)
• C)(61.22,79.33)
• D)(61.22,80.57)
• E)(63.01,78.13)

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