In 2009 news organizations reported that 47% of U. S. adults favored providing a legal way for illegal immigrants already in the U. S. to become citizens. In 2010, the percentage with this opinion rose to 50%. Suppose that a current poll of 100 randomly selected U. S. adults shows this percentage is higher than 50% this year. A researcher conducts a hypothesis test with the data from the current poll. She finds that the increase this year is not statistically significant. What conclusion can we draw