The Results of a Recent Poll on the Preference of Shoppers

question 5

Multiple Choice

The results of a recent poll on the preference of shoppers regarding two products are shown below. ​ The point estimate for the difference between the two population proportions in favor of this product is

• A) .07.
• B) .68.
• C) .44.
• D) .02.

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Definitions:

Preoperational

A stage in Jean Piaget's theory of cognitive development (ages 2 to 7) where children start to use language and think symbolically but lack the ability for abstract thinking.

Transform Information

The process of changing or converting data and information into a different format or structure for understanding or analysis.

Operate

To function or work in a particular manner or context, often referring to machines, systems, or procedures.

Egocentrism

Egocentrism is the inability to differentiate between one's own perspective and someone else's perspective, often observed in children during the pre-operational stage of cognitive development according to Piaget.