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A cereal manufacturer seeks to test their newest product against a competitor's. A group of 100 children was asked to evaluate each brand, and then...

1. A cereal manufacturer seeks to test their newest product against a competitor’s. A group of 100 children was asked to evaluate each brand, and then to express a preference. To guard against bias, neither the children, nor the technicians serving them, were aware of the order in which they were fed each brand.
- What is the population?
- What is the sample?
- Is the study observational or experimental? Justify your answer.
- What are the independent and dependent variables?
- For each of those variables, what level of measurement was used to obtain data from these variables?
- Classify those variables as either attribute or numerical.
(Points :10)

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