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Mathematics, 18.07.2019 17:10 snikergrace

Activity
rima wants to learn more about the heights of the students at spring valley middle school. the school teaches students in grades 6 through 8.
each subject is taught by a different teacher, so students change classrooms every period. students don't have a class every period, but every
student has a homeroom class. consider five samples from this population, then answer the questions that follow
sample a: survey four random students in each of rima's classes.
sample b: survey two random students from each homeroom class.
sample c: survey three random girls from every third-period class.
sample d: survey every sath person in the student directory.
sample e: survey every third person in the band directory.
part a
is sample a a random sample? why or why not?

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