Question

Louden County Wildlife Conservancy counts butterflies each year. Data over the last three years regarding four types of butterflies are shown below. What is the average number of Variegated Fritillaries for all three samples?


Louden County Butterfly Count
2009
2010
2011
Meadow Fritillary
5
Meadow Fritillary
34
Meadow Fritillary
14
Variegated Fritillary
7
Variegated Fritillary
95
Variegated Fritillary
63
Zebra Swallowtail
33
Zebra Swallowtail
21
Zebra Swallowtail
10
Eastern-Tailed Blue
242
Eastern-Tailed Blue
168
Eastern-Tailed Blue
170






55
83
106
165

Answer 1

$Average=(7+95+63)/3=165/3=55$