What is a male's effect on healthcare charges in the U.S. each year, on average?
Important to Note - coding of original data, for gender, follows as:
Female is coded with 1 / Male with 0
(Hint: in lecture, smoker was coded with a 1.)
Coefficients Standard Error t Stat P-value
Intercept 3687.929936 1211.032977 3.045276229 0.0023702297
age 258.8787946 22.47358281 11.51924893 0
gender -1539.632702 631.3096397 -2.438791689 0.0148661482
region 78.24578962 285.7198857 0.2738548962 0.7842384822
a) increases healthcare charges by $1,539.63 as compared to a female
b) decreases healthcare charges by $131.11 as compared to a female
c) decreases healthcare charges by $1,539.63 as compared to a female
d) Not enough information