Examine the histogram of the standardized residuals for the regression of annual earning on annual hours worked among Registered Nurses below. Which conclusions can be made about the model using this graphic? (see attached image)!

a)I. The standardized residuals are approximately normally distributed

b)II. The distribution of standardized residuals is symmetrical (not skewed)

c) III. There are many extreme outliers for this regression

d) There is evidence for both statements I and II in the graphic

e) There is evidence for both statements II and III in the graphic

f) There is evidence for all three statements in the graphic