Introduction to EngineeringMicrosoft Excel 1

Agenda Tables, Charts, & Graphs

Agenda

Overview: presenting data in graphical form

Types of graphs Bar charts, pie charts, scatter plots

Essential characteristics of good graphs Titles, axis labels, ticks, legends Plotting experimental and calculated values

Tabulating and graphing data in Excel

Types of Data

Data values can be either numeric or character

Division Year Expenses

R&D 1995 $45,700

Purchasing 1995 $152,090

R&D 1997 $66,330

Purchasing 1997 $263,480

Numeric data may be either continuous orcategorical

Character data are categorical

Types of Graphs

Scatter plots are used when all variables being plotted are numeric and continuous

Bar charts and pie charts are examples of graph types in which at least one of the variables is categorical

270 college students were surveyed to find whether they had part-time jobs and how much they earned. Results:

How can we present this data graphically?

# of studentsmonthly earningmen women

$0 (no job) 44 45less than $200 20 18$200 - $399 34 33

$400 or more 37 39

Example: College students with jobs

Microsoft Excel (Office97)menu bar

customizabletoolbars

Help!

currently active cell(s)cursor

(mouse)

fill handle

formula bar

Enter the Data!

Select the Data

Choosing the graph type

1. Choose item “Chart”

2. Choose chart type “Column”

3. Choose chart sub-type “Clustered Column”

4. And…”Next”

The graph looks good in the preview but it needs x-labels. So click on the Series option.

Select Series

Adding Column Labels

1. Click on Category (X) Axis Labels

2. Select Label Set

4. Click Next

3. Click Icon to Return

Enter the titles and then click finish

Done!!!

Montly Earnings

0

20

40

60

80

100

$0 (no job) < $200 $200-$399 $400 or more

Salary Range

# of

Per

sons

Men

Women

Total

Now it’s your turn!

# of StudentsMothly

EarningsMen Women Total

$0 (no job) 44 45 89< $200 20 18 38

$200-$399 34 33 67$400 or more 37 39 76

Monthly Earnings of College Students

0

10

20

30

40

50

$0 less than$200

$200 -$399

$400 ormore

monthly earnings ($/mo)#

stu

den

ts

men

women

Vertical bar chart

Horizontal bar chart

Pie Chart

$0

less than $200

$200 - $399

$400 or more

Monthly Earnings

Scatter Plot

Motor Speed At Startup

0

500

1000

1500

2000

2500

3000

3500

0 5 10 15Time (sec)

Sp

eed

(rp

m)

Time (sec) Speed (rpm)

1 1210

2 1866

3 2301

4 2564

5 2742

6 2881

7 2879

8 2915

9 3010

Use your imagination!

Copying Excel Charts and Tables into Word

Select the Graph or ChartRight click and select copy OR press

ctrl-C (shortcut).Select the area in the Word document

where you want to place the chart or table

Right click and select paste OR press ctrl-V (shortcut)

Assignment #9 – Bar Chart

Use Excel to prepare a bar chart to graphically illustrate the birth/death data shown here.

Save your data on a floppy disk and make sure to bring it with you for the next lecture.

Year Births Deaths 1976 3,167,788 1,909,440 1980 3,612,258 1,989,841 1982 3,680,537 1,974,797 1984 3,669,141 2,039,369 1986 3,756,547 2,105,361 1988 3,909,510 2,167,999 1990 4,158,212 2,148,463 1991 4,110,907 2,169,518 1992 4,065,014 2,175,613 1993 4,000,240 2,268,553 1994 3,952,767 2,278,994

Number of Births and Deathsin the United States