Chapter 3: Describing data visually

Sources of medical error image: https://ibb.co/wsKVbGd a. What kind of display is this? b-1. Identify its strengths, using the tips and checklists shown in this chapter. b-2. Identify its weaknesses, using the tips and checklists shown in this chapter. c. Can you suggest any improvements? Would a different type of display be better?

a. Bar chart with 3D visual effect b-1. good proportions no distracting pictures b-2. no labels on the x and y axes 3D effect does not add to presentation title unclear c. A 2D bar chart with a zero origin on the X-axis would improve the chart.

Following is the data of new car color preferences for U.S. buyers. image: https://ibb.co/LS1f4QK a. Select the appropriate chart to display the above data b. Which other kind of display would be acceptable?

a. Chart A b. A bar or pie chart.

Are you concerned about being tracked while web surfing? image: https://ibb.co/zGQ8X5W a. Select the correct 2-D pie chart for these web-surfing data. b. Select the correct exploded 2-D pie chart. c. Select the correct bar chart.

a. Chart A b. Chart F c. Chart I

The table shows the number of visits to Skier/Snowboarder from 1992 to 2016 in US. image: https://ibb.co/XWKSfyM a. Select the line chart of the skier/snowboarder data. b. Describe the pattern, if any.

a. Chart A b. The number of visits showed a steady increase until a sharp drop in 2011-2012 season.

Consider the following table of data. image: https://ibb.co/HpZfPS5 a. Select the correct chart to display the above data. b. Would more than one kind of display be acceptable for this data?

a. Chart A b. Yes, a bar chart or column chart would also work

Use Excel to prepare an appropriate type of chart (bar, line, pie, scatter) to display the following data. Modify the default colors, fonts, etc., as you judge appropriate to make the display effective. image: https://ibb.co/6XzSjk5 a. Select the appropriate chart to make the display effective. b. Would more than one kind of display be acceptable?

a. Chart B b. yes

Sales of sony blue-ray disk players at Bob's appliance mart image: https://ibb.co/9bjjLDB a. What kind of display is this? b-1. Identify its strengths, using the tips and checklists shown in this chapter. b-2. Identify its weaknesses, using the tips and checklists shown in this chapter. c. Would a different type of display be better?

a. Column chart with pictures for columns b-1. zero origin descriptive title short title detailed title b-2. No source c. A regular column chart would be a better choice

Oxnard petro sales and net income, 2000-2018 image: https://ibb.co/yQBJQfX a. What kind of display is this? b-1. Identify its strengths, using the tips and checklists shown in this chapter. b-2. Identify its weaknesses, using the tips and checklists shown in this chapter. c. Would a different type of display be better?

a. Line chart b-1. labels on the x and y axes good titile good use of gridlines no distracting pictures measurement included on the y axis b-2. large gap between time series due to magnitude no source c. Use of logarithmic scale would correct proportion issue

image: https://ibb.co/cNy03Lj a. Using the table above, select the most appropriate scatter plot from the given choices. b. Define the relationship between X and Y.

a. Scatter Plot A b. positive moderate linear

Consider the following graph. image: https://ibb.co/L1cxh2K a. What kind of display is this? b-1. Identify its strengths, using the tips and checklists shown in this chapter. b-2. Identify its weaknesses, using the tips and checklists shown in this chapter.

a. standard pie chart b-1. sources identified b-2. other

Consider the following table of data. image: https://ibb.co/Sc5KJX4 a. Construct a stem-and-leaf plot for the number of defects per 100 vehicles for these 32 brands. b. Select a dot plot of the defects data.

a. stem unit: 10 leaf unit: 1 frequency: 4,2,4,11,5,4,1,0,0,1 total: 32 leaf: (3,6,7,8) (3,5) (2,6,7,9) (6) (0) b. DotPlot a