A Researcher Wishes to Determine If There Is a Relationship

question 37

Multiple Choice

A researcher wishes to determine if there is a relationship between the age of working individuals and the amount of coffee consumed. The following data were obtained for the number of cups of coffee consumed per day:

$\begin{array}{clll} & \mathbf{2} \text { cups or fewer } & \mathbf{6} \text { cups or more } & \text { Total } \\35 \text { years } & 20 & 5 & 25 \\35 \text { or older } & 19 & 21 & 40\end{array}$

Choose the best option from the choices below:

• A) A z-test statistic could be used to test the null hypothesis.
• B) A chi-square test statistic could be used to test the null hypothesis.
• C) Either a z-test or a chi-square test could be used to test the null hypothesis.
• D) A t-test statistic could be used to test the null hypothesis.

---

Definitions:

Relational Self

This concept reflects how aspects of one's self-identity are shaped by relationships and social interactions with significant others.

Dyadic Relationships

Interactions between two individuals, emphasizing the reciprocal and dynamic nature of their connection.

Personal Identity

The self defined in terms of unique personal attributes or unique interpersonal relationships.