The article cited in Example 1.2 also gave the accompanying strength observations for cylinders: 6.1 5.8 7.8 7.1 7.2 9.2 6.6 8.3 7.0 8.3 7.8 8.1 7.4 8.5 8.9 9.8 9.7 14.1 12.6 11.2 a. Construct a comparative stem-and-leaf display (see the previous exercise) of the beam and cylinder data, and then answer the questions in parts (b)(d) of Exercise 10 for the observations on cylinders. b. In what ways are the two sides of the display similar? Are there any obvious differences between the beam observations and the cylinder observations? c. Construct a dotplot of the cylinder data.
STAT 30100 Elementary Statistical Methods th *Notes are based off lecture and 12 edition Statistics Textbook by James McClave and Terry Sincich Chapter 1: Statistics, Data, and Statistical Thinking What is Statistics A mathematical science, but not a branch of mathematics. Science of data o Deals with the study of: Collecting Classifying Summarizing Organizing Analyzing Interpreting, and Presenting data Can be descriptive or inferential o Descriptive Utilizes numerical and graphical methods to organize, summarize,
