Question 3 1 pts The natural tendency of a sample to differ somewhat from the population from which it was drawn is referred to as: O sampling error sampling bias O measurement bias O rival hypothesis D Question 4 1 pts A researcher sets a rejection level at 05. The p-value associated with the statistical test was .04. Which of the following conclusions is accurate? O The researcher should reject the null hypothesis The researcher should fail to reject the null hypothesis O The researcher should reject the research hypothesis O The researcher should fail to reject the research hypothesis