A Chemistry Class Takes a Survey of the Number of Hours

question 23

Multiple Choice

A chemistry class takes a survey of the number of hours they studied for an exam and the exam score. Of the students who studied less than two hours, 8 students got a score below 60, 3 students got a score between 60 and 80, and 1 above 80. Of the students who studied two to four hours, 3 students got a score below 60, 5 between 60 and 80, and 5 above 80. Of the students who studied more than four hours, 2 student got a score below 60, 1 between 60 and 80, and 4 above 80. Which of the following matrices organizes this data with the columns representing the number of hours students studied and the rows representing the exam score.

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Definitions:

Governments

Institutions responsible for governing a community, state, or nation, making and enforcing laws, and managing public resources and services.

Market Failure

A situation where the allocation of goods and services by a free market is not efficient, often leading to negative externalities, underproduction, or overproduction.

Wasteful

Referring to the use or allocation of resources in an inefficient manner, leading to unnecessary loss or expenditure.

Interstate Highway

A network of controlled-access highways that form part of the National Highway System in the United States, facilitating interstate and long-distance travel.