14.On a standard measure of listening to functionality, the indicate is 300 and the standard deviation is 20. Give the Z scores for people who ranking (a) 340, (b) 310, and (c) 260. Give the raw scores for people whose Z scores on this verify are (d) 2.4, (e) 1.5, (f) zero, and (g) –4.5.
15.A person scores 81 on a verify of verbal functionality and 6.4 on a verify of quantitative functionality. For the verbal functionality verify, the indicate for people on the entire is 50and the standard deviation is 20. For the quantitative functionality verify, the indicate for people on the entire is 0and the standard deviation is 5. Which is that this explicit particular person’s stronger functionality: verbal or quantitative? Make clear your reply to a person who has not at all had a course in statistics.
22.Suppose you want to conduct a survey of the angle of psychology graduate faculty college students discovering out scientific psychology in the direction of psychoanalytic methods of psychotherapy.One technique could possibly be to contact every psychology graduate pupil you already know and ask them to fill out a questionnaire about it.(a) What kind of sampling methodology is that this? (b) What’s a severe limitation of this kind of technique?
25. You are conducting a survey at a faculty with 800 faculty college students, 50 college members, and 150 administrators. Each of these 1,000 individuals has a single itemizing inside the campus cellphone itemizing. Suppose you had been to cut up the itemizing and pull out one itemizing at random to contact. What is the chance it will likely be (a) a pupil, (b) a university member, (c) an administrator, (d) a university member oradministrator, and (e) anyone moreover an administrator? (f) Make clear your options to anyone who has not at all had a course in statistics.