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3.07714 2.98966 2.97 3.22111 3.308 3.28429 3.205 3.16778 2.72857 2.88 3.19769 2.99828 3.10462 3.315 3.47821 3.34 calculate a 95% confidence interval for an interval level

3.07714 2.98966 2.97 3.22111 3.308 3.28429 3.205 3.16778 2.72857 2.88 3.19769 2.99828 3.10462 3.315 3.47821 3.34 calculate a 95% confidence interval for an interval level variable in excel

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