A Local Consumer Reporter Wants to Compare the Average Costs

question 18

Multiple Choice

A local consumer reporter wants to compare the average costs of grocery items purchased at three different supermarkets, A, B, and C. Prices (in dollars) were recorded for a sample of 60 randomly
Selected grocery items at each of the three supermarkets. In order to reduce item-to-item
Variation, the prices were recorded for each item on the same day at each supermarket. Identify the treatments for this experiment.

• A)the 60 × 3 = 180 prices
• B)the three supermarkets
• C)the day on which the data were collected
• D)the 60 grocery items

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Definitions:

Scientific Inquiry

The systematic investigation of the natural world based on observation, experimentation, and evidence to answer questions and test hypotheses.

Values

Fundamental beliefs or principles that guide behaviors and decision-making in individuals or societies.

Social Issue

Problems that influence a considerable number of individuals within a society, recognized by a significant portion of society as being undesirable and necessitating intervention.

Human Relationships

The connections, interactions, and bonds formed between individuals or groups, influencing social behavior and society.