level of significance is decreased, the interval for the population proportion becomes wider E PART TWO: Multiple Choices Questions 1. Assume you are given that the mean return on assets for a specific project was 7.8% with a standard deviation of 2.3. Moreover, the distribution of means is bell-shaped. We should anticipate that 95 percent of all of these assets had a mean between? A) 5.5% and 10.1% 0% and 15% 3.2% and 12.4% D) 0.9% and 14.7% 2. The commission sales manager of A&B Company has gathered data on the number of products sold per month for the last 5 years. That data is given below: # of products 0 1 2 3 4 5 6 # of months 6 9 13 21 7 2 What is the weighted mean number of products per month? 3.31 B) 3.23 C) 3.54 D) 3.62 3. The median values of the following figures: 12, 32, 48, 8, 22, 9. 30, and 18 is? A) 20 B22 C) 24 D) 26 4. The chairman of finance department has recorded the number of research papers citations issued per day by each of the 10 academic doctors in his department. The data were: 13, 21, 12, 34, 31, 13, 22, 26, 25, and 23. What is the first quartiles of the number of citations issued per day? A) 22.0 B) 22.5 C) 27.25 None of the above. A