Business Statistics Quiz
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PROBLEM-SOLVING & STATISTICAL COMMUNICATION
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A two-sample t-test comparing customer satisfaction scores between two service centers yielded the following results: xˉ1=7.8, xˉ2=7.2, 95% confidence interval for the difference in means: (0.1, 1.1), p-value = 0.032. The software also reports that the assumption of equal variances was not met, so Welch's t-test was used. What can be concluded about the practical significance of this finding?
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