Data for Exercises 5.104 and 6.43
A data frame/tibble with 17 observations on two variables
a factor with levels
Duke Med Ct,
High Point Regional,
Moses Cone Memorial,
New Hanover Regional,
Pitt Co. Memorial,
Univ of North Carolina, and
median charge for coronary bypass
Consumer's Guide to Hospitalization Charges in North Carolina Hospitals (August 1994), North Carolina Medical Database Commission, Department of Insurance.
Kitchens, L. J. (2003) Basic Statistics and Data Analysis. Pacific Grove, CA: Brooks/Cole, a division of Thomson Learning.
EDA(Bypass$charge) t.test(Bypass$charge, conf.level=.90)$conf t.test(Bypass$charge, mu = 35000)
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