Multiple Samples Answers

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?Louden County Butterfly Count200920102011Meadow Fritillary5Meadow Fritillary34Meadow Fritillary14Variegated Fritillary7Variegated Fritillary95Variegated Fritillary63Zebra Swallowtail33Zebra Swallowtail21Zebra Swallowtail10Eastern-Tailed Blue242Eastern-Tailed Blue168Eastern-Tailed Blue170

The table displays the number of butterflies collected in a sample over three years. What inferences can be made from the samples taken on butterfly populations? Select three choices.Louden County Butterfly CountYear 1Year 2Year 3Zebra Swallowtail21Zebra Swallowtail10Zebra Swallowtail10Viceroy3Viceroy4Viceroy3Painted Lady2Painted Lady0Painted Lady16Monarch82Monarch52Monarch57

Josiah kept track of how many songs of each genre were played in an hour from his MP3 player. The counts are displayed in the table below. He has a total of 1,500 songs on his player. Josiah predicted the number of rock songs on his MP3 player to be 300 songs. Which statements about his solution are true? Select three choices.Josiah’s MusicSample 1Sample 2R & B5R & B4Pop4Pop3Classical3Classical5Jazz2Jazz4Rock6Rock4Josiah’s work:

The owner of a local restaurant surveyed her staff on their preference of uniform color. The results are displayed in the table below. Which pair of samples is most representative of the preference of all the staff?Uniform Color SurveySample 1Sample 2Sample 3Beige3Beige12Beige7Blue7Blue5Blue15Black10Black3Black18

Abigail wants to determine which time of day people prefer to exercise. She will collect three samples. Which statements describe good methods for collecting the samples? Select three options.

Ducks Unlimited helps sample duck species across the United States. Samples from one particular location for the last two years are shown below. Which duck population seemed to hold steady?Duck Pond Samples20102011Mallard58Mallard73Wood Duck11Wood Duck12Green Wing Teal19Green Wing Teal34American Widgeon24American Widgeon29

Braden wants to compare the types of ducks in two nearby ponds. He collected two samples using the following criteria. For sample 1, he counted the types of ducks on Walden Pond from 6 A.M. to 9 A.M. For sample 2, he counted the number of Mallard ducks that were on Brook’s Pond from 12 P.M. to 3 P.M. What would improve Braden’s plan? Select three options.

Student representatives surveyed their classmates on their preference of a school mascot for a new school. The results are shown in the table below. Which pair of samples seems most representative of student preference?Mascot SurveySample 1Sample 2Sample 3Artichokes15Artichokes0Artichokes3Bears28Bears53Bears48Citizens17Citizens7Citizens9

The table below shows the population of different duck species at a local pond. Which term best describes the total number of Mallards in the pond?Duck Pond SamplesSample 1Sample 2Mallard13Mallard12Wood Duck4Wood Duck2Green Wing Teal6Green Wing Teal6American Widgeon2American Widgeon5

DeWayne wants to find out what career his fellow middle school students would like to pursue. He plans to collect three samples. Which statements describe good methods for collecting the samples? Select two options..