Consider the Finapres data from Recall that the blood pressure of babies was measured using two different methods. The question being asked is about the mean difference between the two measures taken of each child. Test the claim that there is no difference between the two methods using a 0.05 level of significance.

1. State the null and alternative hypotheses.
2. What are the degrees of freedom used for this problem?
3. Calculate the t-statistic and find the P-value.
4. What is your conclusion?
5. Construct a 95% confidence interval for the mean difference.

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