WATER Questions Wittrateudency measure? ed Wichs 2 (10 points) The distribution of individuals coming to a metro station pube kwad fel ail (d) righted () symmetric 3. (5 points) Please find the median of the following distribution, X {5 (a) 16 (b) 44 (c) 30 (d) 24 (e) 36 4. (5 points) What is arithmetic menn (X) of set X in Question 2 (a) 18 (b) 24,5 (C) 28.5 (d) 30 (e) 41 5. (lo pents) The variance of freshmen heights in a primary school is higher of individuals coming to a metro station (a) not determined (1) true c) neither true nor false (d) false (e) qual Page 2 of 4 MAN216 MIDTERM Answer followings Given a population with me = 400 and rice central limit theorem apples when the samples 25. A modem sam is obtained 10. (10 points) What is the probability that X > 4121 (a) 0.0354 (b) 0.0362 (e) 0.0375 (d) 0.0381 (e) 0.0381 1. (10 points) What is the probability that 393 SX S1077 (a) 0.7006 (b) 0.7009 (e) 0.7016 (d) 0.7018 (e) 0.7021 2. (10 points) What is the probability that X S389? (a) 0.0506 (b) 0.0516 (c) 0,0522 (d) 0.0529 (c) 0,0537 Answer followings: A random sample of n = 25 h R - 50 and - unknown 3. (5 points) The lower confidence limit of 95% confidence interval for p is (a) 11.986 (b) 42.689 (c) 46.699 (d) 18.696 (e) 19.998 (5 points) The upper confidence limit of 95% confidence interval for u is (a) 51.002 (b) 51.322 (e) 52.003 (d) 53.203 (e) 53302 Page 1 of 4