Dr. Davis is interested in how puberty affects adjustment. He studies a group of 100 junior high school students over the course of three years. He is conducting what kind of study

Arecent poll of 500 residents in a large town found that only 36% were in favor of a proposed referendum to build a new high school. find the margin of error for this poll if we want 95% confidence in our estimate of the percentage of residents in favor of this proposed referendum.