Your own judgement, why is the sample propotion considered a better estimate for the population of propotion?

What type of government does costa rica have?

How would i answer this for an exam?

Match the graph type to its description. 1. uses symbols to describe information pie 2. compares different quantities at the same point in time line 3. compares increases and decreases in a quantity over a period of time bar 4. shows the relationship of parts to each other and to the whole pictograph