SS Understand charts and graphs used in business.

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1 SS Understand charts and graphs used in business.

2 Purpose of Charts and Graphs 1. Charts and graphs are used in business to communicate and clarify spreadsheet information. 2. Charts and graphs emphasize and categorize spreadsheet information into a format that can be quickly and easily analyzed.

3 Why do you need to learn about charts? Can you answer these questions? 3. Why might you use a chart to present spreadsheet information? 4. What does a chart or graph do that a spreadsheet does not?

4 3. Why might you use a chart to present spreadsheet information? A chart makes the information easier to understand. 4. What does a chart or graph do that a spreadsheet does not? Creates a visual representation of the data.

5 Is it a Chart or a Graph? A Graph is a feature of a chart used to plot data. A Graph is a pictorial representation of data. It includes the: plot area gridlines and values. A graph is used in a chart.

6 Is it a Chart or a Graph? A Chart is the total package that includes: titles values axis labels legend information color and adds meaning to the graph A Chart is the total package. It is an enhancement of a graph.

7 Whereas spreadsheet data is often filled with numbers, labels, and values that require timeconsuming analysis.... a chart emphasizes and categories the spreadsheet information into a format that can be quickly and easily analyzed.

8

9 Examples of Charts used in business: Represent sales trends within different departments of a store Represent the contribution of individual employee sales to the total sales for a company Represent the percent of each expense to total expenses Analyze stock prices and explain the fluctuations to stockholders

10 6 Common types of charts Column Chart Stacked Bar Chart Line Chart XY Scatter Chart Pie Chart Exploded Pie Chart

11 Column Chart Description: Series of vertical columns each representative of a data series Best Used For: Making comparisons and generalizations about groups of data, such as the attendance of each group of upperclassmen at assemblies 4.02 Understand charts/graphs used in business Slide 11

12 Attendance Rate Column Chart Example 100 Spirit Participation Seniors Juniors Sophomores January February March April Month 4.02 Understand charts/graphs used in business Slide 12

13 Stacked Bar Description: Series of horizontal or vertical bars that are each divided into two or more parts Each bar represents the contributions of one data group to the whole Best Used For: Comparing the contribution of individual items to the whole, such as the contribution of each department s sales to the total sales for a quarter (3 months) Useful when you have more than one data series 4.02 Understand charts/graphs used in business Slide 13

14 Period Stacked Bar Example 4th Quarter 3rd Quarter 8,000 7,000 15,755 25,000 3,500 3,500 ABC Computers Quarterly Report Sales Analysis 2nd Quarter 8,000 12,575 2,500 Printers Computers 1st Quarter 5,000 10,500 3,300 Monitors 0 10,000 20,000 30,000 40,000 Sales (in Thousands) 4.02 Understand charts/graphs used in business Slide 14

15 Line Chart Description Series of data points connected by horizontal lines, each representing a series of data Best Used for: Comparing trends, such as the trends in sales of three departments in a store, over a period of time 4.02 Understand charts/graphs used in business Slide 15

16 Sales (in Thousands) Line Chart Example Sales Trends by Department 60,000 50,000 40,000 30,000 20,000 Music Shoes Clothing 10, st Quarter 2nd Quarter Period 3rd Quarter 4th Quarter 4.02 Understand charts/graphs used in business Slide 16

17 XY Scatter Description: Series of data points connected by horizontal lines, each representing a series of data Best Used For: Analyzing statistical or scientific data, such as determine a correlation between stressors and pulse rate; the effect of one on the other 4.02 Understand charts/graphs used in business Slide 17

18 Pulse Rate XY Scatter Example Stress Analysis Wait Time (in Minutes) Principal's Office Doctor's Office 4.02 Understand charts/graphs used in business Slide 18

19 Pie Chart Description: Represents only one data series Best Used For: Indicating the relationship of one component or data element to the whole, such as the percentage of sales contributions of printers, PDAs, and desktops to the total sales for one time period (one month, one quarter or year) Can only be used with one data series 4.02 Understand charts/graphs used in business Slide 19

20 Pie Chart Example Financial Budget East Region 13% 57% 13% 17% Printers PDAs Desktops Laptops 4.02 Understand charts/graphs used in business Slide 20

21 Exploded Pie Description: An enhanced version of the pie chart Best Used For: Emphasizing one or more portions of data 4.02 Understand charts/graphs used in business Slide 21

22 Exploded Pie Example Music Sales by Genre 27% 33% 16% 24% Classical Country Rock Hip Hop 4.02 Understand charts/graphs used in business Slide 22

23

24 Components of Graphs 1. Y-axis 2. X-axis 3. Data markers 4. Data series 5. Gridline 6. Plot area 7. Tick mark

25 Y-axis Y-axis The Y- axis is the left vertical side of the graph. It contains the numerical data st Quarter 2nd Quarter 3rd Quarter 4th Quarter

26 Y-axis X-axis The X- axis is the bottom horizontal side of the graph. It contains the category information st Quarter 2nd Quarter X-axis 3rd Quarter 4th Quarter

27 Y-axis Data Markers Data Markers are used in a graph to indicate data values. Remember: Data Markers must represent values! st Quarter 2nd Quarter Data Marker X-axis 3rd Quarter 4th Quarter

28 Data Series A Data Series is a collection of related values, Data Series such as one row or one column from a spreadsheet.

29 Gridline A Gridline is a horizontal or vertical line that extends across the plot area of the graph for the purpose of adding clarification to the data. Gridlines make it easier to read and understand the values. Gridlines

30 Example Scenario: This Stacked Bar Chart shows the Total Sales of each employee over a 4-month period. Question: What would make it easier to read? Answer: Gridlines Gridlines would make it much easier to read and understand the values. (Notice there are NO gridlines in this chart!) 4.02 Understand charts/graphs used in business

31 Plot Area The Plot Area is the background portion of a graph. It is the rectangular area bound by the category (X) and values (Y) axes. Plot Area (the gray area shown in this graph)

32 Tick Mark The Tick Mark is used in a graph to clarify the data categories or values. Tick Marks 4.02 Understand charts/graphs used in business Slide 32

33 Components of Charts 8. Legend 9. Data Label 10. Chart Title 11. X-Axis Title 12. Y-Axis Title 4.02 Understand charts/graphs used in business Slide 33

34 Legend The Legend is an object that explains the symbols, colors, or patterns used to differentiate the data. Legend 4.02 Understand charts/graphs used in business Slide 34

35 Data Label A Data Label is a single value or text explanation used to explain the data in a series. It is a piece of data from the data series. Data Labels

36 Example Scenario: This Column Chart compares the sales of the GY Music Store against the sales of Notes Online. Question: Which feature is used to indicate the sales amounts in the plot area? Answer: Data Labels Data Labels are used to explain the data in the series. Slide 36

37 Chart Title The Chart Title is the main heading, which describes the purpose and content of the chart. Chart Title

38 Example Scenario: This Line Chart represents the effect of irrigation on plant height. Question: What feature should be added to explain the chart s purpose? Answer: Chart Title The Chart Title is the Main Heading that describes the purpose and content of the chart.

39 Axis Titles The Y-axis Title: describes the Y-axis, which is the vertical data. Axis Titles The X-axis Title describes the X-axis, which is the horizontal data.

40 Now it s your turn! See if you can identify all of the components and describe their functions

41 How did you do? 1. Data Series Chart Title 3. Y-axis Labels 4. Data Labels Plot Area 6. Gridline 7. Legend 8. X-axis Labels X-axis Title Tick Marks 11. Y-axis Title 8. 9.

42

43 Embedded and Separate Chart 1. An Embedded chart is one that appears on the same sheet as the spreadsheet/worksheet it represents. 2. A Separate chart is one that does not appear on the same sheet as the spreadsheet/worksheet it represents.

44 Linked Chart 3. A Linked chart is one that will change to reflect changes made to the spreadsheet it represents.

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