Question: Construct a 95% confidence interval for 2X/2Y based on the data in Case Study 9.2.1. The hypothesis test referred to tacitly assumed that the variances

Construct a 95% confidence interval for σ2X/σ2Y based on the data in Case Study 9.2.1. The hypothesis test referred to tacitly assumed that the variances were equal. Does that agree with your confidence interval? Explain.

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