Consider the regression model below and let

left parenthesis Upper X Subscript i comma Upper Y Subscript i right parenthesis comma i equals 1 comma ... comma n be an i.i.d. set of observations.

Upper Y Subscript i equals beta 0 plus beta 1 Upper X Subscript i plus u Subscript i

Specify the order of the 3 steps required to test the null hypothesis that the slope coefficient

beta 1 equals zero? That is, Upper H 0 : beta 1 equals 0

A.

Compute the t minus stastistic comma t equals StartFraction ModifyingAbove beta 1 with caret Superscript act Baseline minus 0 Over SE left parenthesis ModifyingAbove beta 1 with caret Superscript act Baseline right parenthesis EndFraction. box=

B.

Compute the standard error of the estimated slope coefficient ModifyingAbove beta 1 with caret Superscript act Baseline comma SE left parenthesis ModifyingAbove beta 1 with caret Superscript act Baseline right parenthesis equals StartRoot ModifyingAbove sigma with caret Subscript ModifyingAbove beta with caret 1 Superscript 2 EndRoot.box=

C.

Compute the p minus value comma Pr Subscript Upper H 0 Baseline left parenthesis StartAbsoluteValue t EndAbsoluteValue greater than StartAbsoluteValue t Superscript act EndAbsoluteValue right parenthesis. box=

(Enter 1, 2 or 3 in each box)