A Doctor Conducted Research into the Influence of Consumption of Coffee

question 6

Multiple Choice

A doctor conducted research into the influence of consumption of coffee (measured in cups consumed) and social media (measured in minutes daily spent on social media) on students' academic performance (measured by an end of term test score) . She reported the following: Coffee (centred) , b = 0.190, t = 3.23, p = 0.015. How would you interpret her findings?

• A) At the mean value of social media usage there is a significant negative relationship between coffee consumed and test score.
• B) At the mean value of social media usage there is a significant positive relationship between coffee consumed and test score.
• C) At the mean value of social media usage there is no relationship between coffee consumed and test score.
• D) At the mean value of social media usage there is a significant relationship between coffee consumed and test score.

---

Definitions:

Rent

The payment made by a tenant to a landlord for the use of a property, room, or apartment for a specified period.

Depreciation

Accounting method of allocating the cost of a tangible or physical asset over its useful life, reflecting wear and use over time.

Indirect Business Taxes

Taxes levied on goods and services rather than on income or profits, such as sales tax or value-added tax, ultimately passed on to consumers in the form of higher prices.

National Income

The total amount of money earned within a country, including wages, rent, interest, and profits.