1 Point When creating confidence intervals for proportions, we use _ for the critical value. Oz Ot Q8.2 1 Point We use the critical value from above because: We have the population standard deviation available to us. We have the sample standard deviation available to us. We don't need the standard deviation for the standard error - just p and n. None of the above Q9 1 Point True/False: The Chi-square (x ) Test of Independence is a statistical hypothesis test used to determine whether two continuous variables are likely to be related or not O True False Q10 1 Point Why do we sometimes use the Yates correction for the Chi-squared (x ) test? O To address the issue when we have just a few observations O To Increase power for the alternative hypothesis To correct for multiple comparisons O To standardize the data