Shown below is a portion of a compute output for a regression analysis relating Y (demand in units)and X(unit price)
ANNOVA
df SS
regression 1 5048.818
residual 46 ?
total ? 8181.479
coefficients st. error t-stat
Intercept 80.390 3.102 ?
X -2.137 .248 ?
A) perform a t test and determine whether or not demand and unit price are related. Let a=.05
B)Perform an F test and determine whether or not demand and unit price are related. Let a=.05
C) Compute the coefficient of determination and fully interpret its meaning. Be very specific.