Get expert advice and insights on any topic with IDNLearn.com. Get comprehensive and trustworthy answers to all your questions from our knowledgeable community members.

Determine the number of standard deviations that includes all data values. The mean age of students in a school is 16.4 years. The standard deviation is 1.5.

13, 17, 18, 15, 16, 14, 15, 18, 17, 16, 15, 16, 13