standard_description: Recognize the purposes of and differences among sample surveys, experiments, and observational studies; explain how randomization relates to each.
problem_activity: Task
Every morning at summer camp, one of the campers has to hoist the camp flag to the top of the flagpole.
For each graph below, describe the action of the flag raiser that might have led to this graph that shows the height of the flag as a function of time.
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aligns: no