Standard Deviation Word Problems - Here are the weights (in kilograms): 5, 7, 9, 11 the mean is x ¯ = 8. Solved word problems, tests, exercises, and preparation for exams. A teacher weighed the backpacks of 4 students.
A teacher weighed the backpacks of 4 students. Solved word problems, tests, exercises, and preparation for exams. 5, 7, 9, 11 the mean is x ¯ = 8. Here are the weights (in kilograms):