Suppose the demand for pens increases and the supply for pens decreases. What effect will it have on the quantity?
a. It will rise
b. It will fall
c. uncertain
d. None
Question 2
The presence of association between two variables does not necessarily imply causation for the following reason(s):
a. the association between two variables may result simply from pure chance
b. the association between two variables may be the result of the influence of a third common factor
c. both variables may be the cause and the effect at the same time
d. a and b
e. a, b, and c
Single-dose drug administration: pharmacokinetic values for this drug are as follows: onset of actio
The proportion of men and women with elevated blood pressure or taking hypertension medication incre
Flynn Effect IQ scores have risen across developed countries in recent decades. Source: Flynn (199
Oil supply and prices affect the economies of nations
Do you know why ballpoint pens caps have that small hole?
Let f be a real function with domain R. Suppose that for each ǫ > 0, there is a continuous ...