Question: The following hypothetical data were obtained from a random sample of nine college freshmen. They represent attitude scores toward a statement made by the President,

The following hypothetical data were obtained from a random sample of nine college freshmen. They represent attitude scores toward a statement made by the President, "The economy has improved in the last 12 months". Scores ranged from 9 (strongly agree) to 1 (strongly disagree). The investigator was interested in estimating the variability of attitudes among this year's entire freshman class on this question.

Place a 95% confidence interval around the sample mean.

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