Chapter 1 Test

The SPCA collects the following data about the dogs they house. Which is categorical?

• number of days housed
• age
• breed
• weight

We collect data from 50 female students. Which variable is categorical?

• hair color
• height
• number of pets
• hours of internet use last week

The United States Census collects data on many variables about individuals and households. Which variable is categorical?

• monthly mortgage
• type of residence
• family size
• hours worked per week

School administrators collect data on students attending the school. Which of the following variables is quantitative?

• class (freshman, soph., junior, senior)
• grade point average
• whether the student has taken the SAT
• whether the student is in honors classes

On December 5, 2014, Clinical Pediatrics published the article "Fast Food Consumption and Academic Growth in Late Childhood." The researchers found evidence that high levels of fast food consumption were associated with slower growth of academic skills. What is the population of interest?

• Fast food restaurants
• All children in the United States
• Number of fast food meals consumed per week
• 8544 fifth-grade students studied

The British Medical Journal published an article on December 10, 2014, entitled "The Association between Exaggeration in Health Related Science News and Academic Press Releases: Retrospective Observational Study." Among other findings, they reported that 36% of the press releases contained exaggerated connections between animal research results and conclusions about similar effects in humans. What is the sample?

• 36% of press releases
• All press releases
• 462 press releases on biomedical and health science
• Animal studies

One of the reasons that the Monitoring the Future (MTF) project was started was "to study changes in the beliefs, attitudes, and behavior of young people in the United States." Data are collected from 8th, 10th, and 12th graders each year. To get a representative nationwide sample, surveys are given to a randomly selected group of students. In Spring 2013, students were asked about alcohol, illegal drug, and cigarette use.

Describe the W's, if the information is given. If the information is not given, state that it is not specified.

Describe the WHO.

• 8th, 10th, and 12th graders

• alcohol, illegal drug, and cigarette use

• Spring 2013

• United States

• survey

Tags

CCSS.RI.11-12.7

CCSS.RI.8.7

CCSS.RI.9-10.7

CCSS.RL.11-12.7

CCSS.RL.9-10.7

One of the reasons that the Monitoring the Future (MTF) project was started was "to study changes in the beliefs, attitudes, and behavior of young people in the United States." Data are collected from 8th, 10th, and 12th graders each year. To get a representative nationwide sample, surveys are given to a randomly selected group of students. In Spring 2013, students were asked about alcohol, illegal drug, and cigarette use.

Describe the W's, if the information is given. If the information is not given, state that it is not specified.

Describe the WHAT.

• to study changes in the beliefs, attitudes, and behavior of young people in the United States

• alcohol, illegal drug, and cigarette use

• Spring 2013

• United States

• survey

Tags

CCSS.RI.11-12.7

CCSS.RI.8.7

CCSS.RI.9-10.7

CCSS.RL.11-12.7

CCSS.RL.9-10.7

One of the reasons that the Monitoring the Future (MTF) project was started was "to study changes in the beliefs, attitudes, and behavior of young people in the United States." Data are collected from 8th, 10th, and 12th graders each year. To get a representative nationwide sample, surveys are given to a randomly selected group of students. In Spring 2013, students were asked about alcohol, illegal drug, and cigarette use.

Describe the W's, if the information is given. If the information is not given, state that it is not specified.

Describe the WHEN.

• to study changes in the beliefs, attitudes, and behavior of young people in the United States

• alcohol, illegal drug, and cigarette use

• Spring 2013

• United States

• survey

Tags

CCSS.RI.11-12.10

CCSS.RI.6.10

CCSS.RI.7.10

CCSS.RI.8.10

CCSS.RI.9-10.10

One of the reasons that the Monitoring the Future (MTF) project was started was "to study changes in the beliefs, attitudes, and behavior of young people in the United States." Data are collected from 8th, 10th, and 12th graders each year. To get a representative nationwide sample, surveys are given to a randomly selected group of students. In Spring 2013, students were asked about alcohol, illegal drug, and cigarette use.

Describe the W's, if the information is given. If the information is not given, state that it is not specified.

Describe the HOW.

• to study changes in the beliefs, attitudes, and behavior of young people in the United States

• alcohol, illegal drug, and cigarette use

• Spring 2013

• United States

• survey

Tags

CCSS.RI.11-12.10

CCSS.RI.6.10

CCSS.RI.7.10

CCSS.RI.8.10

CCSS.RI.9-10.10