Refer to Data Set 4

"Births" and use the birth weights of boys and girls. Test the claim that at birth, girls have a lower mean weight than boys.

Use the indicated Data Sets in Appendix B. The complete data sets can be found at www.TriolaStats.com. Assume that the two samples are independent simple random samples selected from normally distributed populations. Do not assume that the population standard deviations are equal.

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INSURANCE GENDER (1 =M) GTH OF STAY ADMITED FRI FRI DISCHARGED SUN SUN THU BIRTH WEIGHT TOTAL CHARGES FACILITY Albany Medical Center Hospital Insurance Company Albany Medical Center Hosptal Blue Cross Albany Medical Center HospitalBlue Cross Albany Medical Center Hospital Albany Medical Center HospitalInsurance Company 13986 36 800 359091 MON FRI SUN 3700