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? 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.