Answers CR27 ALG 1-1200310-S2-Degele-VOL7006PTwo-Way Tables

Two-Way Tables Answers

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Mr. Capuano, an art teacher, surveyed his students to find out whether they are satisfied with his classes. He also noted which class each student had taken.Oil-paintingSatisfied: 17Not satisfied: 3SculptureSatisfied: 25Not satisfied: 5

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A relative frequency table is made from data in a frequency table.

12%

27%

46%

52%

A group of 55 football players was polled about which synthetic grass they like to play on, Chemgrass or Chemstrand. The data from the survey is shown in the Venn diagram. Use the Venn diagram to find the missing values in the frequency table.

x = 17, y = 15, and z = 13

x = 13, y = 15, and z = 17

x = 15, y = 13, and z = 17

x = 13, y = 17, and z = 15

A group of students and workers entering a metro station were asked whether they were riding the bus or the subway. The two-way table shows their answers.

118

166

As people exited a movie theater, they were informally surveyed about whether they enjoyed the movie or not.MalesEnjoyed: 47Did not enjoy: 13FemalesEnjoyed: 53Did not enjoy: 3

a = 40%, b = 4%

a = 41%, b = 3%

a = 47%, b = 3%

a = 41%, b = 19%

At the Kansas City Airport, a group of pilots for Skyways and Yellow Jet airlines were asked whether their flights were flying east or west. The two-way table shows their answers.Flight Directions

Skyways, going east

Skyways, going west

Yellow Jet, going east

Yellow Jet, going west

The members of a high school band asked a number of students whether they would like blue, gold, or both for the uniforms for the band. The results are given in the Venn diagram.

a = 33%, b = 73%

a = 68%, b = 43%

a = 25%, b = 32%

a = 33%, b = 43%

A group of 120 seventh- and eighth-grade students were asked whether they participate in sports or in non–sports-related activities. The two-way table shows their answers.Participation in Sports or Non-Sports

Twenty-nine seventh-grade students chose a sports activity.

Twenty-eight eighth-grade students chose a sports activity.

Twenty-four seventh-grade students chose a non-sports activity.

Thirty-nine eighth-grade students chose a non-sports activity.

A residential community was polling households to find out whether they wanted to get their TV signal from a satellite or cable. The results are shown in the Venn diagram.

a = 82%, b = 3%

a = 38%, b = 50%

a = 38%, b = 3%

a = 93%, b = 19%

The table shows the results of a survey of 200 randomly selected people on whether they like watermelon, cantaloupe, or both.Which is the marginal relative frequency for the people who do not like cantaloupe?

StartFraction 25 Over 91 EndFraction

StartFraction 66 Over 200 EndFraction

StartFraction 91 Over 200 EndFraction

StartFraction 66 Over 91 EndFraction

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Two-Way Tables Answers

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