Consider an experiment in which a medical researcher wants to determine if there is a relationship in Y (pulse rate) and X1(cholesterol level), X2(weight), and X3?(age) of an individual.A sample of 50 people is taken and SSE = 25 and SST = 35
1. Write down a first order linear model.
a) df for Error = b) df for model =
2. Write down a second order linear model.
a) df for Error = b)df for model =
3. Write down a second order linear model with interaction.
a) df for Error = b) df for model =