Question: Refer to the Brain and Language data on postmortem intervals (PMIs) of 22 human brain specimens, presented in Exercise 2.45 (p. 52). The mean and

Refer to the Brain and Language data on postmortem intervals (PMIs) of 22 human brain specimens, presented in Exercise 2.45 (p. 52). The mean and standard deviation of the PMI values are 7.3 and 3.18, respectively.
a. Find the z-score for the PMI value of 3.3.
b. Is the PMI value of 3.3 considered an outlier? Explain

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