2) The ages of some high school students were recorded: 15, 18, 19, 18, 17, 17, 16, 15, 15, 15, 18, 18, 19. Find the sample mean age of this group of students.
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2) The ages of some high school students were recorded- 15- 18- 19- 18.docx
1. 2) The ages of some high school students were recorded: 15, 18, 19, 18, 17, 17,
16, 15, 15, 15, 18, 18, 19. Find the sample mean age of this group of students.