Question: Based on Data Set 4 Births in Appendix B, birth weights are normally distributed with a mean of 3152.0 g and a standard deviation of

Based on Data Set 4 “Births” in Appendix B, birth weights are normally distributed with a mean of 3152.0 g and a standard deviation of 693.4 g.

a. What are the values of the mean and standard deviation after converting all birth weights to z scores using z = 1x - m2/s?
b. The original birth weights are in grams. What are the units of the corresponding z scores?

Data Set 4: Births

Data are from 400 births (first five rows shown here). For GENDER 1 = male and 0 = female. LENGTH OF STAY is in days, BIRTH WEIGHT is in grams, and TOTAL CHARGES are in dollars.

Based on Data Set 4 “Births” in Appendix B, birth weights are

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