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, “A grocery store conducts an online study in which customers are randomly selected and asked to provide feedback on their shopping experience”.
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, members are asked to fill the form to know the opinion about the shopping experience in the grocery store, so as per the definition of the survey that is data are collected from the responses given by members of a population regarding their characteristics, behaviours, or opinions, the given situation is a survey. The sample of the members should be the regular customers and the customers who prefer to but from the other stores.
Chapter 11 Solutions
Glencoe Algebra 2 Student Edition C2014
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