(T1) Task 3 - Collaborative assignment on the fundamentals of statistics, organization and data visualization. Provided

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(T1) Task 3 - Collaborative assignment on the fundamentals of statistics, organization and data visualization.
Provided exercise: Office clerical staff discusses waiting times for patients requiring emergency service.
The following data is the wait times in minutes collected over the course of a month.
2, 5, 10, 12, 4, 4, 5, 17, 11, 8, 9, 8, 12, 21, 6, 30, 8, 7, 13, 18, 3, 25, 16, 12, 14, 11, 16, 17, 23, 45
a.Develop the frequency distribution table. (Help: remember if n≥30 data is grouped)
b. What is the proportion of patients who require emergency service and wait in 9 minutes or less?
c. What recommendations would you offer to the office's administrative staff?