The Table Below Gives Beverage Preferences for Random Samples of Teens

question 8

Multiple Choice

The table below gives beverage preferences for random samples of teens and adults. $$\begin{array} { l l l l } & \text { Teens } & \text { Adults } & \text { Total } \\\text { Coffee } & 50 & 200 & 250 \\\text { Tea } & 100 & 150 & 250 \\\text { Soft Drink } & 200 & 200 & 400 \\\text { Other } & 50 & 50 & 100 \\& 400 & 600 & 1000\end{array}$$ We are asked to test for independence between age (i.e., adult and teen) and drink preferences.With a .05 level of significance, the critical value for the test is

• A) 5.991.
• B) 7.815.
• C) 14.067.
• D) 15.507.

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Definitions:

Schema

A cognitive framework or concept that helps organize and interpret information in the world around us.

Preexisting Idea

An opinion, belief, or concept that one holds before being exposed to new information or experiences.

New Experience

An encounter or activity that one has not previously undergone, offering novel sensations, knowledge, or challenges.

Circular Reactions

Repetitive actions in early child development that serve to reinforce the infant's own learning and motor skills through repeated practice.