Evaluating Statistical Claims
Math · Problem-Solving and Data Analysis · 10 questions · every one comes with a full explanation.
- 1A sample of 40 fourth-grade students was selected at random from a certain school. The 40 students completed a survey about the morning announcements, and 32 thought the announcemeHard · Problem-Solving and Data Analysis
- 2Residents of a town were surveyed to determine whether they are satisfied with the concession stand at the local park. A random sample of 200 residents was selected. All 200 responMedium · Problem-Solving and Data Analysis
- 3A survey was conducted using a sample of history professors selected at random from the California State Universities. The professors surveyed were asked to name the publishers of Medium · Problem-Solving and Data Analysis
- 4The members of a city council wanted to assess the opinions of all city residents about converting an open field into a dog park. The council surveyed a sample of 500 city residentEasy · Problem-Solving and Data Analysis
- 5A trivia tournament organizer wanted to study the relationship between the number of points a team scores in a trivia round and the number of hours that a team practices each week.Hard · Problem-Solving and Data Analysis
- 6A psychologist designed and conducted a study to determine whether playing a certain educational game increases middle school students' accuracy in adding fractions. For the study,Hard · Problem-Solving and Data Analysis
- 7A polling agency recently surveyed 1,000 adults who were selected at random from a large city and asked each of the adults, "Are you satisfied with the quality of air in the city?"Medium · Problem-Solving and Data Analysis
- 8A market researcher selected 200 people at random from a group of people who indicated that they liked a certain book. The 200 people were shown a movie based on the book and then Easy · Problem-Solving and Data Analysis
- 9Near the end of a US cable news show, the host invited viewers to respond to a poll on the show's website that asked, "Do you support the new federal policy discussed during the shHard · Problem-Solving and Data Analysis
- 10To determine the mean number of children per household in a community, Tabitha surveyed 20 families at a playground. For the 20 families surveyed, the mean number of children per hHard · Problem-Solving and Data Analysis