Q 18

# Here are histograms of the leverage and Studentized residuals for the regression model: Comment on what these diagnostic displays indicate.

Essay

Q 18# Here are histograms of the leverage and Studentized residuals for the regression model: Comment on what these diagnostic displays indicate.

Essay

Related questions

Q 17

Here is a histogram of leverages for this regression: Without doing any calculating,how would you expect the coefficient and t-statistic of English to change if we were to omit the 6 highest leverage points?

Q 19

Here are histograms of the leverage and Studentized residuals for the regression model: The 14th employee who was hired is highlighted in both displays.Do you think this employee is an influential case?

Q 20

An actuary wishes to predict the life expectancy of a person based on several variables.One categorical variable of interest is their relationship status - single,married,divorced,widowed,or common-law.If the actuary wished to include "relationship status" in a regression model,how many indicator variables would he/she need to use in the model?
A)4
B)2
C)3
D)5
E)1