Answer Happy

Question 4 2 pts Consider the following situation: Researchers wanted to test the claim that the pregnancy length of women who smoke marijuana during pregnancy is shorter, on average, than the pregnancy length of women who do not smoke marijuana. Data from two samples were collected; a random sample of 50 pregnant women who smoke marijuana and a random sample of 75 pregnant women who do not smoke. Using the data from the two samples, the mean pregnancy length and the standard deviation of pregnancy length are calculated for each sample. Which of the following hypothesis tests would be appropriate in this situation? O t-test for population mean Oz-test for population mean O paired t-test Oz-test for population proportion O two-sample t-test for population mean differences