Jazlyn Conway

Mathematics

22 March, 19:07

Louden County Wildlife Conservancy counts butterflies each year. Data over the last three years regarding four types of

butterflies are shown below. What inference can be made about the butterflies in Louden County from the samples?

14

2009

Meadow Fritillary

Variegated Fritillary

Zebra Swallowtail

Eastern-Tailed Blue

5

7

33

242

Louden County Butterfly Count

2010

Meadow Fritillary 34

Variegated Fritillary 95

Zebra Swallowtail 21

Eastern-Tailed Blue 168

2011

Meadow Fritillary

Variegated Fritillary

Zebra Swallowtail

Eastern-Tailed Blue

10

170

A) All butterfly populations are steadily decreasing.

B) All butterfly populations were larger than usual in 2010.

C) The Eastern-Tailed Blue butterfly is more common than the others.

D) The Meadow Fritillary is equally common as the Variegated Fritillary