WEEK 1 QUIZ Statistics

WEEK 1 QUIZ 1. Question : Student Answer: Instructor Explanation: Points Received: Comments: A distribution for which s = 2.5 and R = 9.0 has which characteristic? It is symmetrical. It is platykurtic. It is mesokurtic. It has positive skew. Found in section 2.3, The Normal Distribution. 1 of 1 Question 2 Question : . Which statistic indicates the most frequently occurring number in a set? Student Answer: Mean Range Median Mode Instructor Found in section 1.5, Descriptive Statistics. Explanation: Points Received: 1 of 1 Comments: Question 3 Question : . Once the range is established, no additional value can make it smaller. Student True Answer: Instructor Found in section 1.5, Descriptive Statistics. Explanation False : Points Received: 0 of 1 Comments: Question 4 Question : . If data are organized with several values together, the result is ___________. Student Answer: a frequency distribution a bar graph a grouped frequency distribution an organized graph Instructor Found in section 2.1, From Description to Display. Explanation: Points Received: 1 of 1 Comments: Question 5 Question :