Question

Choose the BEST answer ln 2009 news organizations reported that 47% of US adults favored providing a legal way for illegal im migrants ready in the us to be one c e s n 2010 te percentage with this opinion rose to 50%. Suppose that a current poll of 100 andomly selected US adults shows this percentage is hgher 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? 0 The researcher must have misinterpreted the results There should be a signicant increase olt must be true that 50% of the public stall has this opinon this year O The sample size may be too small to detect a statistically signifcant Increase < Previcus

Answer 1

Ans:

Correct option is:

The sample size may be too small to detect a statistically significant increase.

Larger the sample size,smaller the standard error,larger the test statistic and we will be more likely to reject the null hypothesis i.e. we are more likely to get statistically significant results.