The main argument against using active policymaking is that

A. the Fed may offset fiscal policy.
B. time lags make it very difficult to judge when the policy will have an effect.
C. passive policymaking is destabilizing.
D. foreign economies can easily counter the policy undertaken by the U. S. government or Fed.

B. time lags make it very difficult to judge when the policy will have an effect.

Explanation:

The main argument against using active policymaking is that time lags make it very difficult to judge when the policy will have an effect.

B. time lags make it very difficult to judge when the policy will have an effect

Explanation:

the median of the data is 4.

step-by-step explanation:

the median means the middle number of a given number.

to decide which one is the median, arrange in ascending or descending order. but sometimes, you may find two(2) number in the middle, but it's easy, just add them together and divide by 2.

so,   determine the median of the data. 2, 3, 3, 4, 5, 7, 9

it is already arranged, count 3 times forward and 3 backward and the one left is your answer.

2,3,3,4,5,7,9

our answer is 4.

hope this !