When selecting explanatory variables to include in a regression
A) you should pick all observable variables available.
B) you should pick all observable variables that are likely to have a meaningful impact on the dependent variable.
C) ignore all variables that have t-statistics less than the critical value.
D) ignore variables that have an R2 less than 1.
Question 2
If average cost is positive
A) marginal cost equals average cost.
B) marginal cost exceeds average cost.
C) marginal cost is less average cost.
D) Not enough information is given.
Organisms exhibit a diversity of behaviours, which include (clockwise from upper left), foraging and
Invasive species in Canada include (a) zebra mussels, Dreissena polymorpha, (b) sea lamprey, Petromy
Selecting a Method for Measuring Body Temperature
Five Factors of Personality and the Traits they Include
Atmospheric properties include temperature, pressure, and humidity
Calculate the physical variables