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Inferential Statisticsmedium
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An investigator is testing the effectiveness of two different fertilizers. They calculate a 95%95\%95% confidence interval for the difference in mean plant height as (−2.4,6.8)(-2.4, 6.8)(−2.4,6.8) cm. Based on this, what can be concluded about the difference in means at the α=0.05\alpha = 0.05α=0.05 significance level?