bar graphs line graphs & picto-graphs tables, charts and graphs are convenient ways to clearly...
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![Page 1: Bar Graphs Line Graphs & Picto-Graphs Tables, charts and graphs are convenient ways to clearly show your data](https://reader036.vdocuments.mx/reader036/viewer/2022081506/56649dc35503460f94ab635b/html5/thumbnails/1.jpg)
Bar Graphs Line Graphs & Picto-Graphs
Tables, charts and graphs are convenient ways to clearly show your data.
![Page 2: Bar Graphs Line Graphs & Picto-Graphs Tables, charts and graphs are convenient ways to clearly show your data](https://reader036.vdocuments.mx/reader036/viewer/2022081506/56649dc35503460f94ab635b/html5/thumbnails/2.jpg)
Day Chocolate Strawberry White
Monday 53 78 126
Tuesday 72 97 87
Wednesday 112 73 86
Thursday 33 78 143
Friday 76 47 162
The cafeteria wanted to collect data on how much milk was sold in 1 week. The table below shows the results. We are going to take this data and display it in 3 different types of graphs.
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Scale / Intervals
• Counting by a number is the scale of a graph. Scales can be counting by 2’s, 3’s,4’s, 5’s 10’s …
• Intervals should be equal. Like 100, 200, 300 units.
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Bar Graph• A bar graph is used to show
relationships between groups.• The two items being compared
do not need to affect each other.• It's a fast way to show big
differences. Notice how easy it is to read a bar graph. Chocolate Milk Sold
53
72
112
33
76
0
20
40
60
80
100
120
Monday Tuesday Wednesday Thursday Friday
Day
Am
ount
Sol
d
Monday TuesdayWednesday ThursdayFriday
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Line Graph• A line graph is used to show continuing data; how
one thing is affected by another. • It's clear to see how things are going by the rises
and falls a line graph shows.
Chocolate MI lk Sold
0
20
40
60
80
100
120
Monday Tuesday Wednesday Thursday Friday
Day
Am
ount
Sol
d
Chocolate
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On what day did they sell the most chocolate milk?
Chocolate Milk Sold
53
72
112
33
76
0
20
40
60
80
100
120
Monday Tuesday Wednesday Thursday Friday
Day
Am
ount
Sol
d
Monday TuesdayWednesday ThursdayFriday
Wednesday
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Chocolate
0
20
40
60
80
100
120
Monday Tuesday Wednesday Thursday Friday
Day
Am
ount
Sol
d
Chocolate
On what day did they have a drop in chocolate milk sales?
Thursday
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Choosing the Right Graph
• Use a bar graph if you are not looking for trends (or patterns) over time; and the items (or categories) are not parts of a whole.
• Use a line graph if you need to see how a quantity has changed over time. Line graphs enable us to find trends (or patterns) over time.
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Fireflies
Day
s of
the
Wee
k
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All pictographs have a title.
Rows and columns shape the pictograph.
Label each row and column.
Use pictures to show the data.
Each picture equals a certain amount of data.
Pictographs need a key.
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Plant Growth
0
5
10
15
20
Week 1 Week 2 Week 3 Week 4
Weeks
Inch
es Light Dark
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Amount of Rainfall
0
1
2
3
4
5
May June July August
Months
Inch
es 1999
2000
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Bar Graph• The purpose of a bar
graph is to display and compare data.
• Bar graphs use bars to show the data.
• A bar graph must include:
- a title - labeled X and Y
axes
- equal intervals are used on the Y axis
- the bars are evenly spaced apart from each other
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A line graph is used to illustrate change over time.
Line graphs need: - Title - Labeled X and
Y axes - Equal Intervals
- Data displayed by points connected into lines
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Tables, charts and graphs are convenient ways to clearly show your data.