Need help with practice questions. This is not a test, I'll report you for flagging me. Please do not hunger my success. The question is not missing any information. I can't figure this out, please help me. I do not get it.

5. The boxplots below summarize the distribution of SAT verbal al students at an upstate New York high school. binding c i offT Showon Math: wale Verbal: it 300 400 500 600 700 Which of the following statements are true? I. The range of the math scores equals the range of the verbal scores. elderq II. The highest math score equals the median verbal score. III. The verbal scores appear to be roughly symmetric, while the math scores appear to be skewed to the right. a. I only emoldong of PEO.0 4 ARE.A b. III only c. I and II d. II and III ahilin that e. I, II, and III 6. The following is a probability distribution of the GPA of a set of 236 students. What is the mean and standard deviation of the following GPA for a set of 236 students? X (GPA) 2 3 4 P(x ) 0.25 0.10 0.15 0.50 a. u = 2.5, 0 = 1.118 b. u = 2.5, 0= 1.291 c. u = 2.9, 0 = 1.261 coat evidence to d. u = 2.9, 0=1.267 7. An IQ test is designed so that the mean is 100 and the population standard deviation is 10 for normal adults. Find the sample size necessary to estimate the mean IQ score of statistics students such that it can be said with 95% confidence that the sample mean is within 2 IQ points of the true mean. a. 97 ontil 10 b. 99 navig s is .go? smoA la yaud ai sail snoiqsles sno van andleonardo silT. . Youd c. 385| 6 nard seal . conil onodqsist e To Juo ford vallidadonq od) ei isdW .21.0 si d. 387 200.0 .B ered a 800.0 .b