2. Power Point Presentaci
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INFORMATION AND COMMUNICATION TECHNOLOGY OF MAIN DWELLINGS 2006 (BALEARIC ISLANDS) TECHNOLOGY PRODUCTS 1%
11%
15%
TELEVISION
TELEVISION
342757
COMPUTER
COMPUTER
178965
LAPTOP COMPUTER 10%
3% 1%
59310
FIXED TELEPHONE
POCKET PC
20345
MOBILE PHONE
FIXED TELEPHONE
287930
MOBILE PHONE
308274
VIDEO
HI-FI, LASERDISC
237240
DVD
RADIO
293447
VIDEO
231033
DVD
247930
FAX
21724
HI-FI, LASERDISC
13%
RADIO
13% 11%
LAPTOP COMPUTER
POCKET PC
8%
14%
FAX
400.000 350.000 300.000 250.000 200.000 150.000 100.000 50.000 0
•What was the seventh most common product?
X FA
VD D
EO VI D
AD IO R
C DI S SE
LA H
I-F
I,
BI O M
R
PH O LE
LE TE
NE
NE
T KE FI
XE
D
P O PT LA
PH O
PC
R PO
CO
C
PU TE M
PU M O C
TE
LE
VI SI
TE
O
R
N
•Which products were under 100.000 units? •What percentage of products were videos?
The branch of Mathematics that deals with collecting and presenting facts and figures is called Statistics. Very often the information is presented in the form of a picture which makes it easier to understand. In this class, we will learn: •
• •
To choose the more suitable picture (bar charts, trend graphs or pie charts ) according to the information. To draw them. To interprete them.
BAR CHARTS • Bar charts consist of an axis and a series of labelled horizontal or vertical rectangular bars of lengths that show different values for each bar. • Bar charts are particularly suitable for making comparisons.
Example:The bar chart below shows the weight in kilograms of some fruit sold one day by a local market.
PIE CHARTS • A pie chart is a circle graph divided into sectors (pieces) illustrating frequencies or percents. • The central angle of each sector is proportional to the quantity it represents. FRACTION ·360º = CENTRAL ANGLE
• It is used to show how a part of something relates to the whole.
Example:
TREND GRAPHS • It is used when the direction or trend of figures over a period of time is required. • In the trend graph the time is plotted on the horitzontal axis while the quantity is plotted on the vertical axis.
Example:The graph above shows how John's weight varied from the beginning of 1991 to the beginning of 1995
11%
15%
TELEVISION
TELEVISION
342757
COMPUTER
COMPUTER
178965
LAPTOP COMPUTER 10%
3% 1%
59310
FIXED TELEPHONE
POCKET PC
20345
MOBILE PHONE
FIXED TELEPHONE
287930
MOBILE PHONE
308274
VIDEO
HI-FI, LASERDISC
237240
DVD
RADIO
293447
VIDEO
231033
DVD
247930
FAX
21724
HI-FI, LASERDISC
13%
RADIO
13% 11%
LAPTOP COMPUTER
POCKET PC
8%
14%
FAX
400.000 350.000 300.000 250.000 200.000 150.000 100.000 50.000 0
•What was the seventh most common product?
X FA
VD D
EO VI D
AD IO R
C DI S SE
LA H
I-F
I,
BI O M
R
PH O LE
LE TE
NE
NE
T KE FI
XE
D
P O PT LA
PH O
PC
R PO
CO
C
PU TE M
PU M O C
TE
LE
VI SI
TE
O
R
N
•Which products were under 100.000 units? •What percentage of products were videos?
The branch of Mathematics that deals with collecting and presenting facts and figures is called Statistics. Very often the information is presented in the form of a picture which makes it easier to understand. In this class, we will learn: •
• •
To choose the more suitable picture (bar charts, trend graphs or pie charts ) according to the information. To draw them. To interprete them.
BAR CHARTS • Bar charts consist of an axis and a series of labelled horizontal or vertical rectangular bars of lengths that show different values for each bar. • Bar charts are particularly suitable for making comparisons.
Example:The bar chart below shows the weight in kilograms of some fruit sold one day by a local market.
PIE CHARTS • A pie chart is a circle graph divided into sectors (pieces) illustrating frequencies or percents. • The central angle of each sector is proportional to the quantity it represents. FRACTION ·360º = CENTRAL ANGLE
• It is used to show how a part of something relates to the whole.
Example:
TREND GRAPHS • It is used when the direction or trend of figures over a period of time is required. • In the trend graph the time is plotted on the horitzontal axis while the quantity is plotted on the vertical axis.
Example:The graph above shows how John's weight varied from the beginning of 1991 to the beginning of 1995
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