Chapter 2 (Preliminary presentation of differences in calculators.)

1. Section 2.1: for Qualitative data
   • Frequency
   • Frequency Distribution (Demo using calculators)
   • Relative Frequency
   • Relative Frequency distribution (Demo using calculators)
   • Bar Charts
     1. Demo using calculators
     2. Frequency Histogram -- 25 to 59 values
     3. Frequency Histogram -- larger data list
   • Pareto Charts (Demo using calculators)
   • Side-by-side Bar Charts
   • Pie Charts (Demo using calculators)
2. Section 2.2: for Quantitative data
   • Frequency Distribution (Demo using calculators)
   • Relative Frequency
   • lower class limit
   • upper class limit
   • class width
   • Historgrams
     1. Demo using calculators
     2. Histogram -- 33 to 48 values
     3. Histogram -- Larger Data List
   • Frequency Polygons
   • Frequency Ogive (cummulatve)
3. Section 2.3
   • Stem and Leaf plots
     1. worksheet for stem and leaf problems
     2. Demo using STEM10 on a calculator
     3. Demo using STEMCD on a calculator
   • Split Stem and Leaf
   • Back-to-back Stem and Leaf (two groups)
   • Dot plot (Demo of the DOTPLOT program.)
   • Time-series Plot (note one point for each time)
4. Section 2.4
   • Vertical scale (not starting at zero)
   • Area principle
   • Perspective
   • 3-D pie charts (not in text)
   • Line charts and continuity (not in text)
   Return to the Main Math 160 Topics page

   ©Roger M. Palay
   Saline, MI 48176
   August, 2012