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Mathematics, 27.08.2021 18:10 EndiaGracee
An experiment was designed using school children as subjects to determine whether milk prevented their catching colds. The researcher randomly assigned 100 school children to two groups - one group of 50 to receive a cup of milk at school each day and the other group of 50 to receive no milk at school. What is the response variable? Remember: The response variable is measured on the individual.
A. Whether the child received a cup of milk at school each day
B. Whether the child caught a cold
C. The number of children who received a cup of milk at school each day
D. The number of children who caught a cold
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