2.1. Histograms and Frequency Distributions http://www.ck12.org
TABLE2.11:
Country Liters of Bottled Water Consumed per Person per Year
Italy 154. 8
Mexico 117. 0
United Arab Emirates 109. 8
Belgium and Luxembourg 121. 9
France 117. 3
Spain 101. 8
Germany 100. 7
Lebanon 67. 8
Switzerland 90. 1
Cyprus 67. 4
United States 63. 6
Saudi Arabia 75. 3
Czech Republic 62. 1
Austria 74. 6
Portugal 70. 4Figure:Bottled Water Consumption per Person in Leading Countries in 1999.Source:http://www.earth-policy.org/
Updates/2006/Update51_data.htm)
(a) Create a frequency table for this data set.
(b) Create the histogram for this data set.
(c) How would you describe the shape of this data set?
- The following table shows the potential energy that could be saved by manufacturing each type of material
using the maximum percentage of recycled materials, as opposed to using all new materials.
TABLE2.12:
Manufactured Material Energy Saved (millions of BTU’s per ton)
Aluminum Cans 206
Copper Wire 83
Steel Cans 20
LDPE Plastics (e.g. trash bags) 56
PET Plastics (e.g. beverage bottles) 53
HDPE Plastics (e.g. household cleaner bottles) 51
Personal Computers 43
Carpet 106
Glass 2
Corrugated Cardboard 15
Newspaper 16
Phone Books 11
Magazines 1
Office Paper 10Amount of energy saved by manufacturing different materials using the maximum percentage of recycled material
as opposed to using all new material (Source:National Geographic, January 2008. Volume 213 No.1 , pg 82-83)