Relative Frequencies and Association Answers

The two-way table represents data from a survey asking schoolchildren whether they are attending a summer camp, taking swimming lessons, or both.Which is the joint relative frequency for school children who plan to attend camp and have swimming lessons? Round the answer to the nearest percent.

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.

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

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?

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

An informal survey was taken at a farmer’s market. People were asked whether they liked carrots, turnips, or both. The results are shown in the Venn diagram.

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

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

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 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.