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Survey

Page history last edited by PBworks 5 years, 1 month ago

Survey of 20 Junior High Households October 2006

 

Total bulbs/CFLsRoomsBulbs/rm
42/6133.2
60/45173.5
33122.75
61/40125
45/10133.4
22/12121.8
12/743
29/28131.8
40/1785
1581.8
41123.5
49/12104.9
2855.6
105/20185.7
69/4154.6
36/966
33/22152.2
10/852
42/894.6
68125.6

 

Data analysis

Bulbs per household Mean = 840/20 = 42

Median=40.5

Percentage of CFLs 247/840 = 29%

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