If the data yielded a sample mean of 193 minutes with a

Reference no: EM13625338

In an experiment to assess the strength of the hunger drive in rats, 30 previously trained animals were deprived of food for 24 hours. At the end of the 24 - hour period, each animal was put into a cage where food was dispensed if the animal press ed a lever. The length of time the animal continued pressing the bar (although receiving no food) was recorded for each animal. If the data yielded a sample mean of 19.3 minutes with a standard deviation of 5.2 minutes, estimate the true mean time and calc ulate the margin of error.

Reference no: EM13625338

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