Transcript SMALT - Western Washington University

GRAPHICAL
DISPLAY OF DATA
WERA
KATHY DORNHECKER AND KAREN HALL
OSPI MATHEMATICS SPECIALISTS
DECEMBER 1, 2004
NEW AT GRADE 3
Pictograph:
A graph that uses pictures or symbols
to compare data. Each picture may
represent one data value.
Number of Students
Third Graders’ Favorite Fruits
Apples
KEY :
= 1 student
Oranges
Bananas
Types of Fruit
Kiwis
Bar Graph:
A graph that uses the height or
length of solid bars to represent
numbers and compare data.
Third Graders’ Favorite Fruits
10
9
8
Number of Students
7
6
5
4
3
2
1
0
Apples
Oranges
Bananas
Types of Fruit
Kiwis
NEW at GRADE 4
Pictograph:
A graph that uses pictures or
symbols to compare data. Each
picture may represent one to many
data values.
Number of Students
Fourth Graders’ Favorite Fruits
Apples
Key:
= 5 Students
Oranges
Bananas
Types of Fruit
Kiwis
Line Plot:
A graph that shows the frequency of
data on a number line.
HOURS OF TELEVISION
WATCHED
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
15
20
5
10
Time (Hours)
NEW at GRADE 5
Circle Graph:
A graph that uses a divided
circle to show pictorially how a
total amount is divided.
FIFTH GRADERS’ FAVORITE
FOOD
BRUSSEL
SPROUTS
ICE CREAM
7
25
18
MASHED
POTATOES
7
BAGELS
18
25
PIZZA
FRUIT
New at Sixth Grade
Histogram
A bar graph that uses two scales, one for
equally spaced intervals (replaces
categories) and one for frequencies.
LENGTH OF BIG LEAF MAPLE LEAVES
Frequency
50
0
0
0.0-1.9
2
2.0-3.9
4
6
8
10
12
14
LEAF LENGTH ( cm)
16
Line Graph
A graph that uses one or more lines to
show changes in data when there is a
numeric value associated with equally
spaced points along a continuous number
scale.
TEMPERATURE (DEGREES F)
TEMPERATURE FOR SAND GULCH, CA
100
80
60
40
20
0
0
2
4
6
8
10
12
TIME SINCE 6:00 AM (hr)
14
16
New at Seventh Grade
Stem-and-Leaf Plot:
A graph that organizes data from least to
greatest using the digits of the greatest
place value to group data
AGES OF MY NEIGHBORS
STEM
LEAF
1 1468
2
02359
3
1335678
4
02345678
5
124678
6
01246
7
12
2|3 represents 23
Box-and-Whisker Plot:
A graph that displays the
median, quartiles, and
outliers of a set of data. Also
called a box-plot.
MASS OF GUINEA PIGS
0
500
MASS (g)
Scatter Plot:
A graph consisting of points, one for each
item being measured. The two
coordinates of a point represent the
measures of two attributes of each item.
MATHEMATICS TEST SCORES (MEAN)
SEVENTH GRADERS IN MR. HODGMAN’S CLASS
100
0
0
10
SLEEP PER NIGHT (hr)