Consider the multiple regression model y = xβ+∈. the gauss-markov conditions hold.
answer the following questions:
a. show that the least-squares estimates can be expressed in the form = β +a∈. what is a? show that the fitted values can be expressed as = β + what is b?
b. show that the error sum of squares can be expressed as .
c. show that e'x = 0.
d. show that = 0

Use the distributive law to multiply. 3(4x + 5y + 6)

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. solve this quadratic equation using the quadratic formula. 2x2 - 2x=1 need asap

Find the solution of each of the following.