One reason why public policy often differs from public opinion is that Group of answer choices public opinion tends to be more stable than public policy. public opinion polling is not always accurate. public opinion polling tends to express the opinions of the political elite. public opinion is easier to gauge than public policy.

Public opinion polling is not always accurate.

Explanation:

public opinion

This is often regarded as a grouping or collection of the attitudes and beliefs of the people of a country about  its nations politics and government. it is a form of communication from citizens to their government

Public opinion importance

It  serves as a form of check and balance or a guide to government actions, influences public policy, gives feedback to politicians. It also gives  a form of self rule in democracy.

Public opinion is said to be measured by public opinion polls. Opinion polls are done  to collect information by asking people questions. There are two major types of opinion polls:  it includes the straw polls and scientific polls.  The straw polls type of polling is not reliable, however, because the people who respond to the poll do not accurately represent the total population.

Public policy

This is simply regarded as a form of a deliberate  course of action  that is usually set up and followed by governmental institutions and officials . it is set up to solve an issue of public concern.