need answer perfectly with correct explanatiin points

Part II. Short-Answers-Give a brief answer to each question with clear reasoning 1. (8 points) In order to assess the membership's attitudes about new Supreme Court decision, a local bar association selects a simple random sample of 100 lawyers from its membership list. Survey is delivered to the selected lawyers. 63 lawyers returned their surveys. (a) Describe the underlying population, the variable of interest, the type and the highest level of measurement of the variable, and identify the sampling method (b) Are the conclusions likely to be valid in the sense that they can be applied to the general population of all members the association? Why or why not? 2. (7 Points) Which grade is relatively better? A 85 on a test with the mean of 72 and standard deviation of 6.5, or an 90 on a test whose mean is 75 and standard deviation is 8.5? Justify your