Unit 5: Data Modelling

Unit 5: Data Modelling 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. What are the values of a and b in the relative frequency table for the survey results? Round answers to the nearest percent. a = 38%, b = 3% A relative frequency table is made from data in a frequency table. What is the value of k in the relative frequency table? Round the answer to the nearest percent. 11% Brainpower Read More 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-painting Satisfied: 17Not satisfied: 3 Sculpture Satisfied: 25Not satisfied: 5 What is the value of x in the relative frequency table for the survey results? Round the answer to the nearest percent. 6% A soccer coach surveyed the players to determine the number of players who preferred selling coupon books, magazine subscriptions, or both for their fundraiser. The results are given in the Venn diagram. To the nearest whole percent, what is the value of a in the relative frequency table for the survey results? a = 27% 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 Which joint frequency has the most flights? Yellow Jet, going east The two-way frequency table represents data from a survey asking a random sampling of people whether they can see the sunrise or sunset from the front of their home. Which is the joint relative frequency for the people who can only see the sunset? 12/38 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