Concept explainers
To find: Whether the given situation describes a survey, an experiment, or an observational study.
Explanation of Solution
Given information:
The given situation is about the food.
Concept used:
Survey: In a survey, data are collected from the responses given by members of a population regarding their characteristics, behaviours, or opinions.
Experiment: In an experiment, the sample is divided into two groups:
- An experiment group that undergoes a change, and
- A control group that does not undergoes the change.
Observational study: In an observational study, members of a sample are measures or observed without being affected by the study.
In the given situation, 100 students are observed to determine how many students eat in the cafeteria, so as per the definition of the observation study that is members of a sample are measures or observed without being affected by the study, the given situation is an observation study.
Chapter 11 Solutions
Glencoe Algebra 2 Student Edition C2014
Additional Math Textbook Solutions
A First Course in Probability (10th Edition)
Introductory Statistics
Elementary Statistics (13th Edition)
Algebra and Trigonometry (6th Edition)
Pre-Algebra Student Edition
Elementary Statistics: Picturing the World (7th Edition)
- Algebra and Trigonometry (6th Edition)AlgebraISBN:9780134463216Author:Robert F. BlitzerPublisher:PEARSONContemporary Abstract AlgebraAlgebraISBN:9781305657960Author:Joseph GallianPublisher:Cengage LearningLinear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage Learning
- Algebra And Trigonometry (11th Edition)AlgebraISBN:9780135163078Author:Michael SullivanPublisher:PEARSONIntroduction to Linear Algebra, Fifth EditionAlgebraISBN:9780980232776Author:Gilbert StrangPublisher:Wellesley-Cambridge PressCollege Algebra (Collegiate Math)AlgebraISBN:9780077836344Author:Julie Miller, Donna GerkenPublisher:McGraw-Hill Education