Business Statistics Quiz
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Two marketing campaigns are tested with the following results: Campaign A has mean click-through rate 0.034 (SE = 0.003), Campaign B has mean click-through rate 0.041 (SE = 0.004). The 95% confidence interval for the difference (B - A) is calculated as (0.001, 0.013). A team member argues this proves Campaign B is meaningfully better for business purposes. What is the primary limitation of this conclusion?
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