Question: 29. Refer to Problem 6.26. The changes in heart rate for 15 males had a mean of -1.22 with standard deviation 19.7. Show how to

29. Refer to Problem 6.26. The changes in heart rate for 15 males had a mean of -1.22 with standard deviation 19.7. Show how to compare the inean changes for females and males.

a) using a 95% confidence interval,

b) using a significance test Interpret in each case.

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