only the odds

1.2 Data, Sampling, and Variation in Data and Sampling For the following exercises, identify the type of data that would be used to describe a response (quantitative discrete, quantitative continuous, or qualitative), and give an example of the data. 53. number of tickets sold to a concert 54. percent of body fat 55. favorite baseball team 56. time in line to buy groceries 57. number of students enrolled at Evergreen Valley College 58. mostwatched television show 59. brand of toothpaste 60. distance to the closest movie theatre 61. age of executives in Fortune 500 companies 62. number of competing computer spreadsheet software packages Use the following information to answer the next two exercises: A study was done to determine the age, number of times per week, and the duration (amount of time) of resident use of a local park in San Jose. The first house in the neighborhood around the park was selected randomly and then every 8th house in the neighborhood around the park was interviewed. 63. \"Number of times per week\" is what type of data? a. qualitative b. quantitative discrete c. quantitative continuous 65. Airline companies are interested in the consistency of the number of babies on each flight, so that they have adequate safety equipment. Suppose an airline conducts a survey. Over Thanksgiving weekend, it surveys six flights from Boston to Salt Lake City to determine the number of babies on the flights. It determines the amount of safety equipment needed by the result of that study. a. Using complete sentences, list three things wrong with the way the survey was conducted. b. Using complete sentences, list three ways that you would improve the survey if it were to be repeated. 66. Suppose you want to determine the mean number of students per statistics class in your state. Describe a possible sampling method in three to five complete sentences. Make the description detailed. 67. Suppose you want to determine the mean number of cans of soda drunk each month by students in their twenties at your school. Describe a possible sampling method in three to five complete sentences. Make the description detailed. 68. List some practical difficulties involved in getting accurate results from a telephone survey. 69. List some practical difficulties involved in getting accurate results from a mailed survey. 70. With your classmates, brainstorm some ways you could overcome these problems if you needed to conduct a phone or mail survey. 71. The instructor takes her sample by gathering data on five randomly selected students from each Lake Tahoe Community College math class. The type of sampling she used is