Explain significance testing with confidence intervals for dependent means, and provide an example.
What will be an ideal response?
Ans: We can test the null hypothesis that ?D by asking whether the confidence interval around mD includes 0. Let’s say that 95% confidence interval around mD is [1.16, 3.32]. Because this interval does not include 0 we can reject H0. This means that our computed confidence interval would be very unusual if H0 were true, so we treat H0 as though it is false.
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