1. What are the differences in in the following and when does a researcher uses them

a. Dummy variables

b. ANOVA Models

c. ANCOVA

d. Differential Intercept coefficient

e. Probit model

f. Logit model

2. What are the comparative advantages of logit model over linear probability model

a. what are some of the examples of qualitative independent variables and a mixture of qualitative and quantitative variables.

b. what are the ways to determine presence or absence in a function of

i. multicollinearity

ii. autocorrelation

iii. Heteroscedasticity