Preferences for the Type of Diet Drink from a Random

question 89

Multiple Choice

Preferences for the type of diet drink from a random sample of 121 shoppers are in the table below. A researcher is interested in determining if there is a relationship between the type of diet drink preferred and the age of the shoppers. $$\begin{array} { l l | r | r | r } & & \text { Under } 25 & 25 \text { and Older } & \text { Total } \\\hline \text { Diet Pepsi } & \text { Observed } & 10 & 60 & 70 \\& \text { Expected } & 21.40 & 48.60 & 70.00 \\& \% \text { of chisq } & 28.6 \% & 12.6 \% & 41.3 \% \\\hline \text { Diet Coke } & \text { Observed } & 18 & 14 & 32 \\& \text { Expected } & 9.79 & 22.21 & 32.00 \\& \text { \% of chisq } & 32.5 \% & 14.3 \% & 46.8 \% \\\hline \text { Diet Sprite } & \text { Observed } & 9 & 10 & 19 \\& \text { Expected } & 5.81 & 13.19 & 19.00 \\& \% \text { of chisq } & 8.3 \% & 3.6 \% & 11.9 \% \\\hline \text { Total } & \text { Observed } & 37 & 84 & 121 \\& \text { Expected } & 37.00 & 84.00 & 121.00 \\& \% \text { of chisq } & 69.4 \% & 30.6 \% & 100.0 \% \\& & & & \\& & 21.21 \text { chi-square } &\end{array}$$ What can you conclude for the data analysis at ? = .05?

• A)The means are equal for all three groups.
• B)There is insufficient evidence to conclude that the type of drink and age are dependent.
• C)Conclude that the type of drink and age are dependent.
• D)No conclusion is possible without knowing the p-value.

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Definitions:

Medical Model

An approach to understanding and treating illness that focuses on biological factors, treating mental or physical disorders as diseases with diagnoses and medical treatments.

Social Stigma

The disapproval and discrimination against individuals or groups based on perceivable social characteristics that serve to distinguish them from other members of a society.

Discrimination

The unjust or prejudicial treatment of different categories of people, especially on the grounds of race, age, or gender.

DSM-5

The 5th edition of the Diagnostic and Statistical Manual of Mental Disorders, published by the American Psychiatric Association, serving as a principal authority for psychiatric diagnoses.