If we want to find a 90% confidence interval for the difference of means, we must estimate the degrees of freedom when the sample variances are very different.
Consider two samples of sizes n₁ = 22 and n₂ = 25, and summary statistics
Based on these data, estimate the degrees of freedom.

Question

If we want to find a 90% confidence interval for the difference of means, we must estimate the degrees of freedom when the sample variances are very different.
Consider two samples of sizes n₁ = 22 and n₂ = 25, and summary statistics

Based on these data, estimate the degrees of freedom.

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The Answer of If we want to find a 90% confidence interval for the difference of means, we must estimate the degrees of freedom when the sample variances are very different. Consider two samples of sizes n₁ = 22 and n₂ = 25, and summary statistics Based on these data, estimate the degrees of freedom.

If We Want to Find a 90% Confidence Interval for the Difference