Consider the Pareto chart, which shows the number of student blood donors by their type for one day of a campus blood drive. How
many students donated blood on that day?
1 answer:
Question attached
Answer:
130
Step-by-step explanation:
Number of students old donors can be calculated from the Pareto chart by adding number of blood donors on the different bars:
Type 0= 50
Type A= 35
Type B =30
Type AB =15
Therefore 50+35+30+15=130 blood donors
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