Stress is a frequent medical research topic because of its association with a variety of physical and mental illnesses. One method believed to reduce stress is the practice of mindfulnessbased principles. In a volunteer study, perceived stress was measured by questionnaire before, immediately after, and one month after an online mindfulnesscourse.

Compute the fivenumber summary for the perceived stress scores of51

51randomly selected studyparticipants at one month followup using the Moore and McCabe, or MandM,method.

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