Rats are subjected to a drug that might affect aggression, Ask an Expert

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Rats are subjected to a drug that might affect aggression. Suppose that for a random sample of rats, measures of aggression are found to be
2. 5, 12, 23, 24, 18, 9, 18, 11, 36, 15.

Compute a .95 confidence for the mean assuming the scores are from a normal distribution.

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