Hypothesis that the new process improved tardiness

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A local school wants to decrease the proportion of students that arrive late for statistics class, historically. 12% of students arrive at least 5 minutes late. A new process that rewards students that are early with more comfy seats (in the back row of the theatre, complete with a built-in test and HW assistant) is being tested.

This arrangement was tested for 10 days; over that period 40 classes with 25 students in each class saw a total of 99 students arrived late. Use a= .01 to test for hypothesis that the new process Improved tardiness?

Reference no: EM132399926

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