If we test Bob's PE class of 9th graders and compare them to his same class...
If we test Bob's PE class of 9th graders and compare them to his same class 4 years ago to see how fitness levels have changed for all incoming students are we dealing with samples or populations?
A) Populations
B)Samples (a good random one)
C) Samples (Could be biased)
Homework Answers
If we test Bob's PE class of 9th graders and compare them to his same class 4 years ago,
We are dealing with sample at two different times.
Thus, it is unlikely to have any bias and change in fitness
levels of students and they will be compared based on effectiveness
of Bob's coaching
B)Samples (a good random one)
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If we test Bob's PE class of 9th graders and compare them to his
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