help me due soon

rect Question 3 0/20 pts The Current Population Survey is based on a large random sample of the US Population. Among other things the survey captures education and income values for the respondents. Numerous studies of this data over many years have shown that there is a high positive correlation between educational attainment and income. Identify all of the true statements among the following. The true correlation is very possibly zero. The observed high correlations arejust chance observations due to the random nature ofthe data. ~/ We can conclude that higher income causes higher educational attainment. V There may be a lurking variable which causes both higher educational attainment and higher income. We can conclude that higher educational attainment causes higher income. rect Question 4 0/20 pts A pharmaceutical rm wants to test the effectiveness of a new weight-loss drug. The test is a controlled experiment in which a randomly selected group of subject is divided into two equal groups, only one of which receives the new drug. The other group receives a placebo. Identify all of the true statements among the following. The experiment will be considered decient ifthe recipients of the true drug are sure that they have received the drug. ~/ The effectiveness of the drug will be measured by comparing the weight losses of the two groups. ~/ The study participants who do not receive the drug would not be expected to lose weight. ~/ The drug's effectiveness will be measured simply by the loss of weight among those who receive the drug