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In a problem-solving experiment with n=100 children, 5 of the children failed to complete the problem...

In a problem-solving experiment with n=100 children, 5 of the children failed to complete the problem within 10 minutes and were simply marked as “failed”. If the experimenter wanted to find a measure of central tendency to describe the average amount of time needed to complete the problem, what measure should be used? Explain.

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