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Some people claim that psychology is common sense. A psychologist predicts that this is not true and that nonpsychology majors will do worse at
Some people claim that psychology is common sense. A psychologist predicts that this is not true and that nonpsychology majors will do worse at predicting the outcomes of psychology experiments than psychology majors. Psychology students typically predict outcomes with 75% accuracy (population mean). A sample of 15 nonpsychology students predicted with 60% accuracy (sample mean). The estimated standard error of the mean = 2.696. What is the 95% confidence interval for nonpsychology students? 54.4165.59 O54.2265.78 55.2564.75 69.22580.78
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